Scientists study whether Aspergillus calidoustus could survive Mars-like conditions, raising new concerns about microbes in ...

Earth's Composition Closely Matches Mars, Suggests New Study On Planet's Origins ...

Mars, long painted as a frozen desert, is starting to look more like a planet that once knew the feel of warm rain and flowing water. A new wave of research argues that the Red Planet may have spent ...

A crewed expedition to Mars promises to push the absolute limits of human endurance. To grasp the sheer scale of the journey, ...

Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried up billions of years ago.

IRVINE, Calif. (KABC) -- The technological challenge of getting to Mars is a huge hurdle, but it may be biology that holds humanity back from venturing to the red planet. A new UC Irvine study shows ...

NASA's Curiosity rover found organic compounds on Mars that are often produced by living things on Earth. A new study concluded that non-biological processes alone cannot explain the presence of these ...

"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity mission.

A NASA rover has discovered more building blocks of life on Mars after carrying out a chemistry experiment never before conducted on another planet, scientists said Tuesday.

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab. Everything is wired together so well that you rarely think about the ...