NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a ...

Scientists are cataloging and analyzing the first samples collected by NASA's Perseverance rover while the agency weighs its ...

A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun ...

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

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NASA’s Mars rover has made a discovery ‘unlike anything we’ve ever seen’, and it could help scientists have a better ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

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 ...

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting ...

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

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.