The ripples suggest that the lake was free of ice at one point.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. When it comes to NASA hardware, the Mars rover Opportunity might be the most incredible ...

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

NASA's Curiosity rover photographed remnants of rippling waves in an ancient Martian lakebed, proving that the Red Planet had ...

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its ...

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

The Sun sets differently on Mars. Part of that is due to its distance ... And last month, NASA’s Curiosity rover captured both noctilucent and shimmering cloud formations during a Martian ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

NASA’s Opportunity Rover survived years on Mars, but a massive dust storm may have finally ended its mission. With solar panels covered in dust and communication lost, scientists wait to see if the ...