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, ...

Inside a long vacuum chamber in Southern California, a spacecraft engine glowed white-hot as it pushed toward a level of ...

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...

Electric propulsion is increasingly looking like the technology that will underlie a first attempt to walk on the Red Planet.

New study suggests a shortcut to Mars could reduce round-trip travel time to over five months, using a path inspired by a ...

When your rover absolutely, positively must reach Mars on a budget, call SpaceX.

NASA’s Perseverance has captured a sweeping new panorama of a rugged Martian region nicknamed “Crocodile Bridge”, revealing ...

The Tianwen-3 mission, part of China's planetary exploration program, is planned for launch around 2028. It aims to bring ...

"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity mission.

The redemption of Viking: Did the 50-year-old mission to Mars find life or not? How NASA’s 1975 mission to Mars led to decades of scientific controversy and confusion over the existence of life on ...