Solar System
Latest about Solar System
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What is the moon phase today? Lunar phases 2025
By Tariq Malik Last updated
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20 years of satellite data reveal 'staggering' levels of glaciers melting, sea levels rising
By Sharmila Kuthunur Published
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When will the sun die?
By JoAnna Wendel Last updated
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NASA massively lowers impact risk of 'city-killer' asteroid 2024 YR4 to 1 in 360
By Robert Lea Last updated
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Over 1,000 NASA employees saved from dismissal as Trump downsizes federal workforce
By Sharmila Kuthunur Published
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7 planets are aligned in the night sky right now. But what's that mean for science?
By Stefanie Waldek Published
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Japan's Resilience moon lander aces lunar flyby ahead of historic touchdown try (photo)
By Mike Wall Published
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Explore Solar System
Asteroids
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NASA massively lowers impact risk of 'city-killer' asteroid 2024 YR4 to 1 in 360
By Robert Lea Last updated
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'City-killer' asteroid 2024 YR4 could hit the moon instead of us, scientists say
By Pandora Dewan Published
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What the asteroid with a 1-in-48 chance of hitting Earth in 2032 looks like (images)
By Robert Lea Published
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What would happen if the OSIRIS-REx asteroid Bennu smashed into Earth in 2182?
By Victoria Corless Published
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Odds of an asteroid impact in 2032 just went up. Here's why experts say you shouldn't worry
By Robert Lea Published
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When is an asteroid not an asteroid? When it's Elon Musk's Tesla Roadster, it turns out.
By Tariq Malik Published
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NASA finds key molecules for life in OSIRIS-REx asteroid samples. Here's what that means
By Monisha Ravisetti Published
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Astronomers discover 196-foot asteroid with 1-in-83 chance of hitting Earth in 2032
By Robert Lea Published
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Earth is bombarded with rocks from space — but who gets to keep these ultimate antiques?
By Anna Marie Brennan Published
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Comets
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Comet G3 (ATLAS) looks breathtaking above future home of world's largest telescope (photos)
By Brett Tingley Published
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Why Comet G3 (ATLAS) will be 'remembered as the Great Comet of 2025' (photos)
By Joe Rao Published
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Trillions of comets discovered orbiting alien planet systems (image)
By Keith Cooper Published
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Photographer captures rare Comet G3 ATLAS from UK in dramatic 'once-in-a-lifetime' image
By Daisy Dobrijevic Published
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Once-in-a-160000-year comet G3 ATLAS could shine as bright as Venus next week. Here's what to expect.
By Joe Rao Published
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Big 'dark comet' discoveries could be coming in 2025
By Darryl Seligman Published
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Get ready for the 'New Year Comet': What to expect from Comet ATLAS (C/2024) G3
By Jamie Carter Published
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Astronomers discover 7 new 'dark comets,' but what exactly are they?
By Keith Cooper Published
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'Crumb trails' of meteoroids could reveal potentially dangerous comets years before they reach Earth
By Abha Jain Published
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Dwarf planets
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How did life's building blocks end up on dwarf planet Ceres?
By Victoria Corless Published
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Charon: Pluto's dwarf planet partner
By Keith Cooper Last updated
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Ceres: The closest dwarf planet to Earth
By Keith Cooper Last updated
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Pluto's 'almost twin' dwarf planet Eris is surprisingly squishy
By Sharmila Kuthunur Published
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Dwarf planet Ceres could be a great place to hunt for alien life. Here's why
By Sharmila Kuthunur Published
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See dwarf planet Haumea at its closest to Earth in 285 years tonight
By Stefanie Waldek Published
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Spot dwarf planet Ceres during the new moon tonight
By Robert Lea Published
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Astronomers spy new class of dark, water-rich asteroids like dwarf planet Ceres
By Sharmila Kuthunur Published
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A dwarf planet beyond Neptune has a mysterious ring that astronomers can't explain
By Tereza Pultarova Published
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Earth
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20 years of satellite data reveal 'staggering' levels of glaciers melting, sea levels rising
By Sharmila Kuthunur Published
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Over 1,000 NASA employees saved from dismissal as Trump downsizes federal workforce
By Sharmila Kuthunur Published
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Scientists accidentally discover Earth's inner core is less solid than expected
By Julian Dossett Published
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Continent-size blobs in Earth's mantle are a billion years old, ancient crystals reveal
By Skyler Ware Published
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NASA denies setting 'new bans' for employees amid reports of removing LGBTQI+ symbols from offices
By Monisha Ravisetti Published
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Huge solar storm in May 2024 spawned 2 new radiation belts around Earth
By Keith Cooper Published
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Scientists alarmed as Rubin Observatory changes biography of astronomer Vera Rubin amid Trump's push to end DEI efforts
By Sharmila Kuthunur Published
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Space weather scales are outdated and confusing. Here's what NOAA scientists are doing about it
By Meredith Garofalo Published
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NASA satellites catch Earth's magnetic field making music
By Kiona N. Smith Published
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Jupiter
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An amateur astronomer used an old technique to study Jupiter — and found something strange
By Victoria Corless Published
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New thunderstorms wider than Earth are spewing out green lightning on Jupiter — and could make one of the gas giant's massive bands disappear
By Harry Baker Published
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NASA tests high-tech software for future mission to search for life on Jupiter's moon Europa
By Keith Cooper Published
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Magnetic tornadoes on Jupiter are spawning Earth-size storms
By Keith Cooper Published
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Jupiter's storms and its 'potato' moon Amalthea stun in new NASA Juno probe images
By Samantha Mathewson Published
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How can Jupiter have no surface? A dive into a planet so big, it could swallow 1,000 Earths
By Benjamin Roulston Published
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Explore Jupiter's icy ocean moon Europa in NASA virtual tour (photos)
By Stefanie Waldek Published
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Jupiter's Great Red Spot is being squeezed, Hubble Telescope finds — and nobody knows why (video)
By Keith Cooper Published
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NASA's Juno probe spots massive new volcano on Jupiter moon Io
By Andrew Jones Published
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Mars
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'Iridescent' clouds on Mars captured in Martian twilight in stunning NASA rover images (video)
By Sharmila Kuthunur Published
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'Marsquakes' may solve 50-year-old mystery about the Red Planet
By Harry Baker Published
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Trump wants the US to land astronauts on Mars soon. Could it happen by 2029?
By Keith Cooper Published
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Mars was hot then cold then hot again. Could life have really survived there?
By Robert Lea Published
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Mysterious Mars mounds may bolster case for ancient Red Planet ocean
By Keith Cooper Published
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Volcanic cones on Mars tell a tale of ice and fire
By Victoria Corless Published
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Reference
How long does it take to get to Mars?
By Daisy Dobrijevic Last updated
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Reference
Deimos: Mars' smallest moon
By Keith Cooper Last updated
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Food grows better on the moon than on Mars, scientists find
By Tom Brown Published
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Mercury
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BepiColombo spacecraft flies by Mercury, sees volcanic plain and impact craters
By Kiona N. Smith Published
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BepiColombo probe captures haunting Mercury image on 5th of 6 gravity assist flybys (photo)
By Brett Tingley Published
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BepiColombo spacecraft's flyby of Mercury begins unraveling the planet's magnetic mystery
By Robert Lea Published
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Magnetic mystery at Mercury revealed by BepiColombo probe (video)
By Sharmila Kuthunur Published
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BepiColombo probe captures stunning Mercury images in closest flyby yet
By Andrew Jones Published
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Mercury has a layer of diamond 10 miles thick, NASA spacecraft finds
By Robert Lea Published
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Mercury slammed by gargantuan eruption from the sun's hidden far side, possibly triggering 'X-ray auroras'
By Harry Baker Published
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Mercury is home to exotic glaciers of salt, and they may host life beneath them
By Robert Lea Published
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Here's the (moon) scoop: Mercury 7-flown clock, Apollo lunar shovel up for auction
By Robert Z. Pearlman Published
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Neptune
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Could Neptune's largest moon swing a spacecraft into the planet's orbit?
By Paul Sutter Published
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Why is Neptune's moon Triton so weird?
By Paul Sutter Published
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Weird dark spot on Neptune may have a bright spot buddy
By Keith Cooper Published
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Neptune's clouds have vanished, and the sun may be to blame (video)
By Monisha Ravisetti Published
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4 elusive 'mini-Neptune' exoplanets discovered in a cosmic game of hide-and-seek
By Robert Lea Published
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Neptune: A guide to the windy eighth planet from the sun
By Charles Q. Choi Last updated
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Newly discovered 'mini-Neptune' may have an ocean or an atmosphere - but not for long
By Robert Lea Published
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Watch Venus snuggle up to Neptune for Valentine's Day tonight
By Robert Lea Published
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Reference
Neptune moons: Facts about the elusive moons of the Neptunian system
By Elizabeth Howell Last updated
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Pluto
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Is Pluto a planet or not? Who cares! Our love for the King of the Kuiper Belt is stronger than ever 95 years later
By John Loeffler Published
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Clyde Tombaugh: The astronomer who discovered Pluto
By Nola Taylor Tillman Last updated
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How Pluto captured its largest moon Charon with a 10-hour icy 'kiss'
By Robert Lea Published
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We could float effortlessly in Pluto's subsurface ocean
By Rahul Rao Published
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Pluto's heart-shaped scar may offer clues to the frozen world's history
By Rahul Rao Published
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Pluto TV will rally to make Pluto a planet again on April 1 (it's no joke)
By Tariq Malik Published
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Supervolcano eruption on Pluto hints at hidden ocean beneath the surface
By Sharmila Kuthunur Published
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Reference
Pluto: Everything you need to know about the dwarf planet
By Charles Q. Choi Last updated
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Cracks on Pluto's moon Charon may be evidence of a frozen subsurface ocean
By Robert Lea Published
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Saturn
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Saturn's rings could be much older than scientists first thought
By Charles Q. Choi Published
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Before plunging to its death, NASA's Cassini spacecraft saw secrets in the seas of Saturn's moon Titan
By Robert Lea Published
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Saturn's planet-wide storms driven by seasonal heating, Cassini probe reveals
By Sharmila Kuthunur Published
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Surf's up! Liquid methane waves on Saturn moon Titan may erode shores of alien lakes and rivers
By Rahul Rao Published
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'Tiger stripes' on Saturn's moon Enceladus could reveal if its oceans are habitable
By Robert Lea Published
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Saturn's 'Death Star' moon Mimas may have gotten huge buried ocean from ringed planet's powerful pull
By Robert Lea Published
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Saturn's 'Death Star' moon Mimas may have an ocean scientists never believed could exist
By Robert Lea Published
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Reference
Rhea: A guide to Saturn's 'rocky snowball' moon
By Robert Lea Last updated
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Floating 'magic islands' on Saturn's moon Titan may be honeycomb-shaped snow
By Robert Lea Published
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The moon
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Reference
What is the moon phase today? Lunar phases 2025
By Tariq Malik Last updated
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Japan's Resilience moon lander aces lunar flyby ahead of historic touchdown try (photo)
By Mike Wall Published
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Moon or Mars? Why not both, acting NASA head Janet Petro says
By Mike Wall Published
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February's Full Snow Moon dazzles in a flurry of stunning photos from around the world
By Daisy Dobrijevic Published
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February's full moon shines bright tonight. Here's what to expect from the Snow Moon
By Daisy Dobrijevic Published
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Reference
How many people have walked on the moon?
By Mark Smith Last updated
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Did Covid lockdowns really cause temperatures on the moon to drop?
By Nola Taylor Tillman Published
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Crater-diving hopper 'Gracie' will launch to the moon aboard private Athena lander this month
By Mike Wall Published
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Hopping robot will hunt for moon water on China's Chang'e 7 lunar mission in 2026
By Andrew Jones Published
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The sun
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Reference
When will the sun die?
By JoAnna Wendel Last updated
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Watch the sun erupt in new images from NOAA's weather satellite
By Sharmila Kuthunur Published
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Tiny plasma jets on the sun drive the elusive solar wind, Europe's Solar Orbiter reveals
By Sharmila Kuthunur Published
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NASA's launching a new sun mission this month: 'PUNCH is going to see a total solar eclipse'
By Monisha Ravisetti Published
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Aurora alert! Gigantic 500,000-mile 'hole' in the sun's atmosphere could spark impressive northern lights tonight and tomorrow (photo)
By Daisy Dobrijevic Last updated
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Reference
Perihelion: What is it and when does it occur?
By Tereza Pultarova Last updated
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Invisible 'flickering' on the sun could predict potentially dangerous solar flares hours in advance
By Harry Baker Published
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The sun's magnetic field will flip soon. Here's what to expect.
By Daisy Dobrijevic Published
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Scientists turn 3 years' worth of solar flares into audible sound (video)
By Stefanie Waldek Published
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Uranus
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Are there hidden oceans inside the moons of Uranus? Their wobbles could tell us
By Julian Dossett Published
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Long ago, Voyager 2 might have caught Uranus at a bad time
By Julian Dossett Published
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Icy moon of Uranus may have once hid watery secret, Voyager 2 archives reveal
By Conor Feehly Published
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NASA images Uranus with epic team up of Hubble Telescope and New Horizons Pluto probe
By Robert Lea Published
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'Traffic jams' around Uranus could solve the mystery of its weak radiation belts
By Robert Lea Published
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3 tiny new moons found around Uranus and Neptune — and one is exceptionally tiny
By Sharmila Kuthunur Published
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The rings of Uranus look positively festive in epic James Webb Space Telescope holiday photo
By Keith Cooper Published
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Unwrapping Uranus and its icy secrets: What NASA would learn from a mission to a wild world
By Mike Sori Published
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Wonder what it's like to fall into Uranus? These scientists do, too
By Elizabeth Fernandez Published
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Venus
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Exploring Venus may require exotic tech like balloons and 'aerobots'
By Leonard David Published
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Did Venus ever have oceans to support life, or was it 'born hot'?
By Robert Lea Published
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Venus' 'missing' giant impact craters may be hiding in plain sight
By Keith Cooper Published
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Scientists find surprising clue about Venus' past in its atmosphere
By Victoria Corless Published
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Earth's 'evil twin' Venus may have mirrored our planet more than expected
By Victoria Corless Published
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Venus may be able to support life, new atmospheric evidence suggests
By Keith Cooper Published
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NASA just beamed a Missy Elliott song to Venus
By Stefanie Waldek Published
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Japan loses contact with Akatsuki, humanity's only active Venus probe
By Andrew Jones Published
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Volcanoes on Venus might be erupting right now
By Sharmila Kuthunur Published
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More about Solar System
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Japan's Resilience moon lander aces lunar flyby ahead of historic touchdown try (photo)
By Mike Wall Published
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Is Pluto a planet or not? Who cares! Our love for the King of the Kuiper Belt is stronger than ever 95 years later
By John Loeffler Published
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Scientists accidentally discover Earth's inner core is less solid than expected
By Julian Dossett Published
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