A proposed Mars helicopter mission would search for signs of life, water and future human footholds in a vast volcanic canyon ...

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

Fifty years ago, scientists recovered samples of potential extraterrestrial life, but may have unintentionally destroyed it ...

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

This image, taken by Curiosity, shows a selfie in front of Mont Mercou, a 20-foot-tall rock formation on Mars. This image, captured by the HiRISE camera, shows a bear-like face on Mars, formed by ...

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

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

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 ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

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

For the first time on a global scale, 20 years of observations on Mars have been condensed into a single study led by ...

NASA scientists were recently “astonished” by the Perseverance rover's discovery of dark gray spheres on Mars, whose origin ...