Interplanetary travel to Mars aboard nuclear-powered spaceships may sound like science fiction – yet NASA is planning to make it a reality. The Space Reactor-1 Freedom mission is scheduled for launch ...

The US carried out the Starfish Prime test by detonating a 1.4-megaton thermonuclear bomb about 400 kilometres above Earth.

A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by ...

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Although the 1967 Outer Space Treaty bans nuclear weapons in space, there’s currently no way to verify that satellites aren’t ...

NASA's SR-1 Freedom mission targets a 2028 launch to Mars. See how this nuclear-powered spacecraft could unlock deep space ...

City Labs could pave the way for a host of new space innovations after it became the first private company to send a nuclear ...

This week, history was made as the world's first nuclear-powered satellite was carried to orbit on board a SpaceX Falcon 9 ...

Russia’s “space nuke” threat is no longer a theory — it’s a warning sign that space could become the next battlefield. In this breakdown, we explain what a nuclear weapon in orbit could mean for ...

NASA visualization showing a cross-section of Earth's Van Allen radiation belts. (NASA/Goddard Space Flight Center Scientific ...

Gen. Stephen Whiting, the commander of U.S. Space Command, recently made waves when he publicly discussed a major threat that America’s newest military branch recently war-gamed — that of an adversary ...