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

The rock is nicknamed "Atacama." ...

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

Next-generation rockets are transforming space exploration with reusable systems, heavy payloads, and deep space mission ...

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 ...

The journey back to deep space began with NASA's first crewed mission under the Artemis program. Artemis II was a key step ...

NASA’s Psyche spacecraft will use Mars’ gravity on May 15 to gain speed and adjust its path toward the mysterious metal rich ...

NASA is sending a nuclear-powered spacecraft to Mars. Alongside Tuesday's announcement of its new Ignition program, which features a planned Moon base and a successor to the International Space ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This voice experience is generated by AI. Learn more. This ...

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