President Donald Trump signs the 'Ensuring American Space Superiority' order, mandating nuclear reactors in space and a 2030 ...

The policy is light on language regarding security issues — with the most specific provision reiterating Trump's Golden Dome push for a comprehensive air and missile defense shield.

The president signed an executive order to boost U.S. space leadership, emphasizing lunar return by 2028, space security, ...

As Russia threatens atomic attacks on Ukraine and its Western allies, and prototypes a nuclear-armed spacecraft, space powers across Europe are racing to defend against nuclear strikes in orbit.

VLADIMIR Putin is developing a terrifying new weapon designed to obliterate Elon Musk’s cutting-edge Starlink system, ...

Intelligence findings seen by The Associated Press say the so-called “zone-effect” weapon would seek to flood Starlink orbits ...

The White House issued a sweeping executive order on space policy Dec. 18 covering topics from NASA’s exploration plans to ...

Intelligence agencies from two NATO countries suspect that Russia is developing new weapons aimed at satellites, in ...

On July 8, 1962, the United States detonated a 1.4-megaton nuclear weapon 400 kilometers above the Pacific Ocean. The Starfish Prime test created an artificial aurora visible from Hawaii, nearly 900 ...

NATO sources have raised concerns that Russia may be developing weapons targeting satellites, with particular focus on Elon Musk’s Starlink communications system, intelligence documents indicate.

Data show that unidentified lights in archival astronomy images were 68% more likely to be imaged 24 hours after a nuclear weapons test. In the 1950s, mysterious flashes of light were captured on ...

In a region already bristling with all types of nuclear weapons, bestowing latent nuclear-weapon-state status upon South Korea is needlessly destabilizing.