When NASA's Ingenuity Mars Helicopter attempts its first test flight on the Red Planet, the agency's Mars 2020 Perseverance rover will be close by, as seen in this artist's concept. NASA MARCI ...

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

From its perch in the foothills of the 3.4-mile-high mountain, you can see over an expanse of plains, called Aeolis Palus, ...

Curiosity rover cracked open a Martian rock, revealing a sight never before seen on Mars - a dazzling display of yellow ...

There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

Elon Musk and Donald Trump have announced ambitious plans to send a mission to Mars in 2026 and 2028. It’s not going to ...

Since its arrival on the Martian surface five years ago, NASA’s Perseverance rover has been busy scouring the Red Planet for ...

"As soon as we can get it going, we would want to start having some type of presence on the moon sustainably," she told ...

Former NASA astronaut José Hernández said Monday that travel to Mars is “a good 15 years away.” “As I’ve always said … space ...

Mr. Irving is an investigative journalist who has covered aviation and aerospace for more than 30 years.

Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...