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

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

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 ...

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

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

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 ...

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

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The NASA Curiosity ...

Multiple plans exist to explore Mars in the coming decades using robotic and crewed missions. The ultimate goal of these ...