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

But Curiosity wasn't the only one with a geological mystery. At the same time, roughly 2,300 miles away on the other side of ...

NASA's Perseverance Mars rover spotted a mysterious rock made of hundreds of tiny spheres that resemble spider eggs. Studying ...

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

NASA’s Perseverance rover has stunned experts after finding some strange-looking rock composed of spherules on the surface of ...

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

NASA’s Perseverance and Curiosity rovers reveal signs of ancient life on Mars, including organic molecules and a mysterious ...

The molecules, while not a direct sign of life, still signal the existence of complex chemistry on the Red Planet.

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