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 ...

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

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

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

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

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

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

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

Has there ever been life on Mars? Scientists have pondered this question for years, and a recent discovery suggests it just might be possible! NASA's Perseverance rover, which has been exploring Mars ...

"Life might actually survive being ejected from one planet and moving to another." ...

Scientist analyzed molecules found on an ancient rock on the Red Planet Photo12/Universal Images Group via Getty A new study may bring scientists one step closer to answering the question of whether ...