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.

You’ve probably followed the Mars rover missions on and off for years, watching those red-dust landscapes scroll across your TV screen and wondering: Could something have lived there once? Now, after ...

“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 ...

NASA's Curiosity rover discovered strange mineral nodules on massive spiderweb formations on Mars.

NASA’s Curiosity rover has just come face-to-face with a mystery that has haunted scientists from a distance for years. While orbital satellites first spotted strange, web-like patterns on the ...

Scientists have discovered traces of organic molecules on the Red Planet and are not ruling out the possibility that they were produced by living organisms.

NASA's Curiosity rover just found bizarre nodules on giant Martian "spiderwebs." Scientists are puzzled.

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find. Nearly a year ago, the car-sized robot – one of two NASA rovers roaming the red ...

American space agency NASA announced it found a new way to allow the Perseverance rover to determine its position on Mars by itself.

These compounds are similar to fatty acids, which on Earth are most often produced by living things. A new study concluded that non-biological processes, like meteorites crashing into Mars, alone ...