NASA’s Opportunity rover made one of its strangest discoveries on Mars—**a vein-like object embedded in the Martian surface.

“We’ve spent nearly $20 billion on nuclear (space) power since the 50s and the only system we currently have is a light-bulb sized, 100-watt radioisotope generator,” Bhavya Lal, former NASA Associate ...

Trump's proposed 50% cut in NASA's science budget would turn the agency into an empty shell. Who's behind this?

One of Mars' tallest volcanoes peeps over a thick layer of clouds, in Odyssey’s first picture of Arsia Mons peering over the ...

A highly reflective lightsail pushed by light energy in the same way sailboats are pushed by the wind could travel as fast as ...

Mars Odyssey orbiter has captured a breathtaking new view of the massive volcano Arsia Mons rising through morning ice clouds ...

After nearly four years of relentless exploration, NASA’s InSight mission has uncovered groundbreaking revelations about Mars ...

Gutting NASA is a preventable disaster,” writes Christopher Cokinos in an op-ed. “Congressional voices on both sides of the ...

A dazzling image taken by NASA’s 2001 Mars Odyssey orbiter shows an unprecedented view of a 12-mile-high volcano poking through clouds at dawn on the Red Planet.

On May 2, as sunlight crept over the Martian horizon, the Odyssey spacecraft captured Arsia Mons, a towering, long-extinct volcano, puncturing a glowing band of greenish haze in the planet’s upper ...

A spectacular new image from NASA’s longest-running Mars orbiter has captured a breathtaking view of a giant Martian volcano ...