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 ...

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

Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ...

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A hypothetical picture of Mars 3.6 billion years ago ... The yellow star is the site of NASA's Perseverance rover, which landed a few months before Zhurong.

Beach day on the Red Planet? Learn more about how Mars may have had a massive ocean that created unique beaches.

And unlike many other quality news outlets ... take several samples. open image in gallery This montage of photos shows tubes containing samples from Mars. The NASA Mars Sample Return Program ...

On March 1, NASA's Europa Clipper will streak just 550 ... resulting in a multicolored image of Mars in the months following as the data is returned and scientists process the data.

NASA's Perseverance Rover has made a remarkable discovery - a new sample collected from Mars "unlike anything we've ever seen before." The sample known as "Silver Mountain", is a rock core and the ...

Planetary geologists and astronomers studying Mars have known for decades that water was once likely present on the planet, after NASA's Mariner 9 mission captured images of dry gullies in the 1970s.

Billions of years ago, however, liquid water flowed freely across the planet. And, while NASA's various Mars rovers have uncovered signs that such water once existed on Mars, there's perhaps no ...