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

American space agency NASA announced the first major test of a new lithium-fed magnetoplasmadynamic (MPD) thruster that could ...

Researchers at NASA's Jet Propulsion Laboratory have developed a new thruster that increases power 25 times stronger than ...

You're on the fourth human mission to Mars, and you're told the Odyssey spacecraft designed to take you there will be the ...

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

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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 ...

For centuries, humans have looked to the night sky searching for answers about the universe—and their place within it. For star astrophysicist Neil deGrasse Tyson, that instinct to explore remains one ...