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The largest Mars rock on Earth is up for auction in NYC — it could be yours for $4 million (or more)
By Monisha Ravisetti published
The largest Mars rock on Earth will soon be auctioned off in NYC, and could sell for at least $2 million.

Astronomers discover giant alien planet 35 times more massive than Earth hiding in a known star system
By Nola Taylor Tillman published
"It remains possible that there are other unseen planets in the system. The challenge is finding them!"

What is the moon phase today? Lunar phases 2025
By Tariq Malik, Daisy Dobrijevic last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Ravenous 'vampire' stars may use cosmic accomplices to help devour stellar victims
By Robert Lea published
Astronomers have discovered that vampire white dwarfs that feast on victim companion stars have assistance in acquiring prey in the form of lurking third stars.

Happy anniversary, Mariner 4! NASA probe got 1st-ever up-close look at Mars 60 years ago today
By Rod Pyle published
Since then, a multitude of spacecraft have rocketed Marsward from a variety of nations.

NASA just took the closest-ever images of the sun, and they are incredible (video)
By Victoria Corless published
NASA has released remarkable video captured during the Parker Solar Probe's record-breaking 2024 flyby, offering the closest views of the sun ever recorded.

Scientists find Uranus is surprisingly warm, heating up the case for a new planetary mission
By Brett Tingley published
Scientists have found that Uranus emits its own internal heat, contradicting data from NASA's Voyager 2 probe nearly four decades ago.

Snow covers the SOAR Telescope in Chile | Space photo of the day for July 14, 2025
By Kenna Hughes-Castleberry published
An unexpected dusting high in the Andes mountains caused some concern.

Astronomers discover monster exoplanet hiding in 'stellar fog' around young star
By Robert Lea published
A monster exoplanet as big as 10 times the size of Jupiter has emerged from the stellar gas and dust surrounding a young star, thanks to the telescope tag team of Gaia and ALMA.

Gravitational waves reveal most massive black hole merger ever detected — one 'forbidden' by current models
By Robert Lea published
Gravitational wave detectors have "heard" the ripples in space caused by the most massive black hole merger yet. One "forbidden" by current theoretical models.
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