A twist for the Rosalind Franklin mission: after years of delays and partner changes, the European rover finally has a launch ...

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

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

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

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

SpaceX will launch Europe's life-hunting Rosalind Franklin rover toward Mars in 2028 — but not aboard the company's Starship megarocket.

SpaceX's 400-foot Starship rocket has marked three years since its explosive debut. Up next? Debuting the version that could ...