Mars, the Red Planet, looks nothing like Earth today. However, its geological features indicate it once had a warm and wet ...

Researchers bombarded lichens with a year's worth of Martian radiation in just 5 hours — and they survived, hinting that the ...

The surface of Mars is extremely cold, irradiated, and desiccated. But at one time, the planet was much warmer and wetter, ...

"You could pull up Google Earth images of places like Utah, zoom out, and you’d see the similarities to Mars." ...

NASA’s Curiosity rover has uncovered a missing piece in the puzzle of Mars' past atmosphere. Scientists discovered ...

NASA's Mars Reconnaissance Orbiter captured a 328-foot-wide pit on Mars, potentially leading to subterranean caves. This ...

Billions of years ago, Mars was warm, wet, and capable of sustaining liquid water on its surface. Scientists have long ...

New research suggests ancient Mars may have been warm and wet, with rainfall or snowmelt carving its iconic valleys.

NASA's Curiosity rover has unearthed compelling evidence of a past carbon cycle on Mars, discovering siderite within Gale ...

Despite its current dry and cold state, evidence suggests ancient Mars had significant amounts of liquid water in the form of lakes, rivers, rain, and snow.

Through its "Moon to Mars" program, NASA plans to send the first crewed missions to Mars by the end of the next decade. To ...