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

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

"Life might actually survive being ejected from one planet and moving to another." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space ...

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

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

The rover 'Perseverance' has found minerals whose chemistry suggests they could have formed in past microbial processes that could be related to the presence of life. However, scientists are cautious ...

Tests conducted with tardigrades suggest that there is something in Martian dirt that dramatically reduces biological ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA has found potential signs of life on Mars, the agency said last Wednesday. Although additional scientific study is needed in ...

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

The idea of Mars being host to extraterrestrial life, either currently or long ago in the past, has beguiled scientists for centuries. The discovery of frozen water on the Red Planet gave scientists ...

Scientists tested whether microbes can survive the shock of a planetary impact and found some may endure the violent launch into space.

Scientist analyzed molecules found on an ancient rock on the Red Planet ...