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 halve the time it takes to travel to the planet and back to ...

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

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

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

Halfway to Mars: The CHAPEA crew has reached 200 days in a simulated Mars habitat, testing endurance and adaptability. Living with limits: Astronauts face resource constraints and communication delays ...

In the aftermath of the glorious splashdown of Artemis II, returning to the moon is the next required step. Much will be ...

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 ...

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