NASA just tested a blazing-hot plasma engine that could help carry humans to Mars.

For years, nuclear propulsion sat in the same category as so many ambitious space ideas, impressive on paper, always a few ...

A crewed expedition to Mars promises to push the absolute limits of human endurance. To grasp the sheer scale of the journey, ...

A researcher says he found a possible shortcut to Mars that would shorten a roundtrip to Earth's planetary neighbor to as ...

Earlier this year, rocket scientists at NASA fired up an electromagnetic thruster powered by lithium metal vapor.

A Brazilian cosmologist studying near-Earth asteroids wasn't looking for a shortcut to Mars — but he found one anyway.

NASA’s CHAPEA mission, designed to simulate the challenges of long-duration Mars exploration, has now reached a milestone, ...

If you were to stand on the surface of Mars in two years and look up to the night sky, you might see a bright streak flying across the heavens, followed a few minutes later by another. Rather than ...

"I’d say that while an astronaut could make it to Mars they might need dialysis on the way back," researchers said.

Curiosity rover shook loose a 28-pound rock lodged on its drill, a first for the mission that’s been exploring Mars for more ...