The Curiosity rover detected the largest organic molecules to date on Mars, which may be fragments of fatty acids, or some of ...

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

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

For more than a decade, a robotic explorer has been traveling across Mars, quietly collecting clues about a time when the Red ...

“Ancient life, if it happened on Mars, it would ... beneath the Martian surface — and perhaps find larger and better-preserved organic molecules. While Curiosity’s samples can’t be studied ...

Scientists know from extensive study here on Earth that life doesn't sprout from nothing—it requires a complex (and often ...

The surface of Mars is known for being an extremely cold, desiccated, and irradiated place. But as its many surface features ...

Curiosity has gathered dozens of rock samples since landing on the Martian surface in 2012. One of those samples, obtained from Mars' Gale Crater just a year after touchdown, was reviewed by ...