A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic ...

Life's capacity to survive in simulated lunar and Martian soils has been explored in two papers published in Scientific ...

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

NASA's Curiosity rover, which launched in 2011 from Florida, found signs of organic material that on Earth is most often produced by life.

In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its most tantalizing phase yet. NASA now says the layered stone, drilled by the ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system. Better known as Deinococcus radiodurans, this microbe is arguably the ...