Mars, once thought too cold and dry for liquid water, may briefly host salty brines twice a day during certain seasons. These ...

A Ph.D. student and his supervisor have developed a simple way to test for active life on Mars and other planets using ...

With no fuel or engines, tiny explorers will surf sun-warmed air alone to explore high in the skies of Earth and Mars ...

A repurposed Mars rover tool could unlock the simplest test yet for detecting alien life, offering a faster, cheaper path to discovery.

Scientists have devised tiny featherweight disks that could float on sunlight in Earth’s mesosphere or the thin air of Mars, theoretically even while carrying payloads. Extending about 50 to 85 ...

Scientists have found tiny crystal worlds teeming with life at the Great Salt Lake — a discovery that could reveal how ...

Aug. 13 (UPI) -- Europe's Ariane 6 rocket sent a weather and climate satellite to orbit on Tuesday night. The Ariane 6 took off at 8:37 p.m. EDT from Europe's Spaceport in Kourou, French Guiana, in ...

When we think about how radiation effects life, we usually have a negative picture in our head, but on Mars, radiation could be sustaining life.

In a world once dominated by Cold War giants, India entered the space race on its own terms. With rocket parts on bicycles ...

An excess of the absorbed photons on the dark side is key to understanding how it works, though. Photophoresis operates ...

While nuclear reactors have been around on Earth for over 70 years, placing them on the moon would be unprecedented. NASA’s acting administrator, Sean Duffy, is aiming to do the undone: a reactor ...