NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.

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 rover has discovered a bizarrely textured rock covered in hundreds of egg-like spheres on Mars, ...

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

The Opportunity Rover spotted ‘Martian Blueberries’ near the equator in 2004, which were identified as small and marble-like ...

The efforts made by humans to learn as much as possible about Mars are numerous, and NASA has an indispensable ally on the ...

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

The discovery of long-chain organic compounds in a 3.7-billion-year-old rock raises new questions about the Red Planet’s past ...

In the rover's latest video, the life of the slighter dust devil is abruptly cut short by a superior twister. But one probably didn't outlive the other by much, Lemmon said. Martian dust devils only ...

We're back! A long-time reader and subscriber recently mentioned in the Ars Forums that they "kind of" missed the Daily ...

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

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