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

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 ...

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

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

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

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

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

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical ...

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

NASA’s Curiosity rover has unearthed the largest organic molecules ever detected on Mars—possible fragments of fatty ...

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

Curiosity has previously discovered small organic molecules on Mars, but these recently found compounds are larger and would ...