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

Yet another tantalizing clue. The post NASA Running Out of Non-Life Explanations for What Its Rover Found on Mars appeared ...

Samples taken from an ancient Mars rock may indicate that ancient life once existed on the Red Planet, according to a study ...

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

Organic molecules found by the Curiosity rover are too common to be explained by any process we know, other than life, according to a new study. That, of course, doesn’t rule out the possibility that ...

Searching for past or present life on Mars is the sole driving force behind every mission we send to the red planet, from orbiters to landers to rovers. However, there remains a concern in the ...

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

A year ago, NASA announced that its Mars rover Curiosity had discovered long-chain organic compounds. Their quantity suggests a biological origin.

NASA officials explain how the International Space Station supports Artemis and future Mars missions through life support testing, human research, partnerships and commercial development in low Earth ...

The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008.