Latest about Solar System
Is Pluto a planet or not? Who cares! Our love for the King of the Kuiper Belt is stronger than ever 95 years later
On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, whether you call it a planet or not.
Scientists accidentally discover Earth's inner core is less solid than expected
Researchers discovered that Earth's inner core is surprisingly viscous.
Watch the sun erupt in new images from NOAA's weather satellite
A space-based telescope has captured new images of the sun that showcase one of our star's fiery outbursts — and Mercury is in the picture.
'City-killer' asteroid 2024 YR4 could hit the moon instead of us, scientists say
Asteroid 2024 YR4 has a 2.3% chance of hitting Earth in the year 2032. But according to new estimates, it may have an even smaller chance of hitting the moon instead.
Continent-size blobs in Earth's mantle are a billion years old, ancient crystals reveal
New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion.
What the asteroid with a 1-in-48 chance of hitting Earth in 2032 looks like (images)
Astronomers have captured a new image of the asteroid 2024 YR4, which now has a 1 in 48 chance of hitting Earth in 2032.
Moon or Mars? Why not both, acting NASA head Janet Petro says
NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a distraction."
'Iridescent' clouds on Mars captured in Martian twilight in stunning NASA rover images (video)
"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact."
