As Russia races to perfect a nuclear-armed spacecraft, it is also likely preparing to launch an orbital sabotage mission to ...

NASA's new temporary administrator on Thursday held a rare face-to-face meeting in Florida with Russia's space agency chief, ...

President Vladimir Putin says Russia has started production of its newest hypersonic missile. Speaking Friday alongside ...

The majority of that operation is space enabled.” The other is what the government sees as a change in the threat. Since 2015 there has been an eight-fold increase in Chinese satellite-launch activity ...

A new Russian space weapon has raised alarms in U.S. defense circles. Experts are questioning whether American systems can handle this potential orbital threat. Mary Trump issues warning on long ...

As part of the Almaz space station’s preparation, the Soviets tested the NR-23 cannon in orbit via remote, marking the first confirmed use of a weapon in space.

Rather than forcing China into trilateral nuclear arms control talks, the largest nuclear powers should discuss reductions to military spending for nuclear weapons and other destabilizing systems.

Pointing specifically to the threats posed by China and Russia’s “killer satellites,” Japan is aiming to strengthen its ...

The virtual meeting of high-level military officials was led by British Defense Secretary John Healey and his German ...