The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

A mission will deliver rock and soil from Mars to laboratories on Earth in the 2030s. Mars Sample Return (MSR) is led by NASA ...

NASA’s Perseverance rover had been on Mars for almost a thousand days when it spotted the odd-looking boulder on March 11.

A stunning discovery on Mars has revealed the longest organic molecules ever found on the planet—carbon chains that could ...

Pale rocks on the red planet reveal a watery past and suggest the potential for life. Sometimes, scientists have to dig, work ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

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 ...

Curiosity rover cracked open a Martian rock, revealing a sight never before seen on Mars - a dazzling display of yellow ...

NASA's Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The ...

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