Researchers caution that the molecules could be of abiotic or biological origin, and do not represent definitive proof of ...

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.

Curiosity found large organic molecules in a 2013 Mars rock sample. These fragments suggest Mars had the right chemistry for ...

Explore the latest find from NASA's Curiosity rover and what it reveals about organic matter beyond our planet.

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

NASA's Curiosity rover made a compelling find on Mars ' irradiated surface.

NASA’s Curiosity rover has unearthed the largest organic molecules ever detected on Mars—possible fragments of fatty ...