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

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

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

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

Recently, NASA revealed exciting details of new findings from Mars. Scientists have discovered tiny patterns of unusual minerals in the clay-rich rocks on the edge of Jezero Crater—an ancient lake ...

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 ...

“This finding by Perseverance …is the closest we have ever come to discovering life on Mars,” said acting NASA administrator Sean Duffy in a statement. “The identification of a potential biosignature ...

A few weeks ago, the rover Perseverance found potential signs of life on Mars. Again. I’m getting tired of scientists getting so worked up about potential life on Mars. First, it was potential signs ...

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