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

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

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

U.S. Sen. Ted Cruz (R-Texas), chairman of the Senate Committee on Commerce, Science, and Transportation, on Friday (June 5) ...

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 ...

The White House’s budget plan for NASA would be woefully inadequate for achieving near-term human voyages to Mars, experts ...

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

If you've spent any time perusing the carousel of raw images from NASA's Perseverance Mars rover, you might have stumbled ...

Among the planets that would get less attention are Venus, Mars and Jupiter. But the planet facing the biggest drop in ...

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.

The findings could help answer a longstanding question about how Mars transformed from a potentially habitable world with ...

Elon Musk, who founded SpaceX in 2002, has a bold vision for sending Starship to Mars. Experts weigh in on what's realistic ...