When it comes to the space sciences, nothing is quite as exciting as the search for alien life, and NASA thinks it has a good ...

A remarkably hardy bacterium can survive pressures similar to those generated when asteroid impacts blast debris off Mars, a ...

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

Scientists demonstrated that an Earthly extremophile might withstand being ejected from the Red Planet on debris spewed into ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

Martians might really exist… In the future. But instead of the aliens of sci-fi movies, martians would be humans born and raised on Mars. Why would your skin be orange? Would you be a different ...

Life's capacity to survive in simulated lunar and Martian soils has been explored in two papers published in Scientific Reports. Treating simulated lunar soil with both symbiotic fungi and ...

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

Learn how bacteria survived a simulated asteroid impact and could travel between planets on asteroid debris.

NASA's Curiosity rover just found bizarre nodules on giant Martian "spiderwebs." Scientists are puzzled.