NASA researchers have identified geological structures on Mars that are unlike anything found on Earth. From spider-like ...

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was fainter early on." ...

Hydrogen was previously theorized as the magic ingredient, mixed with carbon dioxide in the Martian atmosphere ... and other gases reacting with both the ground and the air controlled the early ...

Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators of whether Mars was habitable in the distant past.

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

The phenomenon of twilight clouds was first observed on Mars in 1997 during NASA’s Pathfinder mission. However, it wasn’t ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

Hydrogen was previously theorized as the magic ingredient, mixed with carbon dioxide in the Martian atmosphere ... and other gases reacting with both the ground and the air controlled the early ...

A massive meteor strike on Mars sent shockwaves across the planet, revealing that some of its tremors weren’t tectonic but ...