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

Is there life on Mars? When curiosity breaks through a rock, it reveals this within. Sulfur crystals were discovered on the ...

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

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

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

NASA said that an asteroid previously believed to be destined for Earth is now more likely to make impact with the moon.

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 ...

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 ...

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

The Mars Curiosity rover’s onboard mini-lab has helped confirm the existence of the largest organic molecules ever found on ...

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

The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising ...