NASA's Curiosity rover has encountered patches of sharp “gator-back” rocks causing mission planners to look for a new route to continue exploring Mount Sharp. Credit: Space.com | footage courtesy: NAS ...

Humans are determined to discover more details about Mars, Earth's neighboring planet, which seems to hide many secrets. So ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

In 2012, NASA's Mars Rover Curiosity photographed an outcrop with sedimentary structures resembling Earth's cross-bedded sandstones. The cross bedding, with large-scale layers sloping to the left, ...

Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ago, however, liquid water flowed freely across the planet. And, while ...

For the fourth year in a row, iridescent clouds of frozen CO2 are lighting the Martian sky. The clouds appear in the same ...

And last month, NASA’s Curiosity rover captured both noctilucent and shimmering cloud formations during a Martian sunset. Recorded by Curiosity’s Mastcam over 16 minutes on January 17, the brief ...

These views were captured with Curiosity's left Mastcam as the rover continues a journey toward the boxwork region below Mount Sharp. Though the images may look like they're being recorded from ...

NASA’s Curiosity Mars rover captured these drifting noctilucent, or twilight, clouds in a 16-minute recording on Jan. 17. (This looping clip has been speeded up about 480 times.) The white ...

And now for something completely different: NASA’s Curiosity rover captured a feather-shaped cloud glowing in the Martian sky shortly after sunset on the Red Planet. It dates back to January ...

The ripples suggest that the lake was free of ice at one point. Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ago ...