Organic compounds discovered on the Red Planet cannot be fully explained by non-biological sources, say astrobiologists.

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

Scientists studying a rock sample collected by NASA’s Curiosity rover have uncovered something tantalizing: the largest organic molecules ever detected on Mars. The compounds — decane, undecane, and ...

That does not mean that the detected alkanes are evidence of life on Mars; the conclusion relies on modeling how radiation ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Organic compounds found in Mars rocks are too abundant to rule out the possibility of Martian life in the red planet’s history, NASA scientists say. In March of 2025, NASA’s Curiosity rover discovered ...

If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think ...

In a new study, researchers say that nonbiological sources they considered could not fully account for the abundance of ...

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

A Martian rock that landed on Earth could hold clues about water on the Red Planet - and the possibility of extraterrestrial ...