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Jupiter's moon Europa has an ice shell about 18 miles thick — and that could be bad news for alien life
Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.
The 10 best sci-fi TV Shows of the 1990s
From "The X-Files" to "Farscape," drift back three decades with us as we reminisce over the last great run of science fiction on the small screen.
On this day in space: Jan. 29, 1989: Phobos 2 enters orbit around Mars
On January 29, 1989, a Soviet space probe named Phobos 2 arrived in orbit around Mars.
Satellite sees river flow across the globe | Space photo of the day for Jan. 29, 2025
Along with this stunning image is the first-ever global estimate of river water discharge and overall sediment suspension.
Rocket launch today: Is there a rocket launch and what time?
Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
Goodbye Goldilocks: Scientists may have to look beyond habitable zones to find alien life
Scientists may need to broaden their horizons in their search for alien life.
James Webb Space Telescope reveals new origin story for the universe's 1st supermassive black holes
Recent James Webb Space Telescope data confirms a decade-old theory that the universe's earliest supermassive black holes formed without stars.
Night sky tonight: See the celestial queen Cassiopeia shine high overhead on Jan. 29
Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
