A week into office, United States President Donald Trump surprised the world and many of his policymakers by announcing his ...

The United States needs to restore its focus on space as a national security priority as conditions have changed and threats ...

Castelion's Series A funding round raised $100 million, led by Lightspeed Venture Partners and including several other firms.

The first Trump administration floated a space weapon concept in March 2018: a neutral particle beam in space. But it ...

The world's fastest supercomputer 'El Capitan' can reach a peak performance of 2.746 exaFLOPS, making it the planet's third ...

Rumors of a Russian space nuke, along with other satellite-targeting weapons, have made geopolitical tensions extend into ...

Members of Elon Musk's Department of Government Efficiency have started working at the U.S. Energy Department where officials ...

Instead, Trump’s order demands the deployment of “space-based interceptors” — a web of satellites, some equipped with lasers. It then calls for the development of another layer of lower-altitude ...

ORLANDO, Fla. — A California-based startup led by former SpaceX executives announced Jan. 29 it has raised $100 million to ...

The U.S. Navy has developed a directed-energy weapon that can intercept unmanned drones and possibly cruise missiles while ...

The USS Preble is the first U.S. Navy vessel equipped with HELIOS, a 60-kilowatt-class directed energy laser weapon developed ...