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Scientists accidentally discover Earth's inner core is less solid than expected
By Julian Dossett published
Researchers discovered that Earth's inner core is surprisingly viscous.

Watch the sun erupt in new images from NOAA's weather satellite
By Sharmila Kuthunur published
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
By Pandora Dewan published
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
By Skyler Ware published
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)
By Robert Lea published
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
By Mike Wall published
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)
By Sharmila Kuthunur published
"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact."

February's Full Snow Moon dazzles in a flurry of stunning photos from around the world
By Daisy Dobrijevic published
We've rounded up some of the best full moon photos below. So sit back, relax and enjoy the show.

NASA denies setting 'new bans' for employees amid reports of removing LGBTQI+ symbols from offices
By Monisha Ravisetti published
NASA claims that there are "no new bans" on employees' personal items, amid reports of the agency purging workspaces of LGBTQI+ symbols.

Tiny plasma jets on the sun drive the elusive solar wind, Europe's Solar Orbiter reveals
By Sharmila Kuthunur published
Solar scientists have found tiny, short-lived jets of energy on our sun to be the primary drivers of the solar wind, marking a step toward better understanding our sun's elusive behavior.
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