NASA's Perseverance rover on Mars has collected its 24th sample of Jezero Crater. The 'Comet Geyser' sample is "great for biosignature studies," according to the space agency's Jet Propulsion ...

In the distance, a twisting plume of red dust - what scientists call a dust devil - spiraled across the landscape near the ...

Astronomers have discovered a mysterious new object in our Milky Way, which is emitting X-rays and radio waves at the same time.

I'm incredibly excited, as part of the Ars Live series, to host a conversation with three of the very best space reporters in ...

The Perseverance Mars rover's Mastcam-Z camera the Martian moon Phobos transit the Sun. See real-time and time-lapsed views here. Credit: Space.com | NASA/JPL-Caltech/ASU/MSSS/SSI | edited by Steve Sp ...

NASA hasn’t landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet’s surface ...

NASA hasn't landed humans on Mars yet. But thanks to robotic missions, scientists now know more about the planet's surface ...

NASA's Mars Perseverance Rover captured a Martian dust devil in the background of a May 10 selfie taken at Witch Hazel ...

NASA’s Perseverance rover has reached a scientifically thrilling region on Mars called Krokodillen, where some of the ...

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest ...

A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?