The Ukrainian president says he discussed these guarantees during a meeting with Trump's US envoy Keith Kellogg in Kyiv.

It seems like something out of science fiction, but it's fact: America's new military laser is showing it can shoot down drones. And it's still being developed.

Lasers enable the U.S. Navy to fight at the speed of light. Armed with artificial intelligence (AI), ship defensive laser ...

European leaders are holding emergency meetings in Paris today after Keir Starmer suggested the UK could send troops to ...

Europe's big fear has been that Donald Trump would return to the White House, cozy up to Vladimir Putin and throw Ukraine under a bus, writes RTÉ's Europe Editor Tony Connelly.

Increasingly alarmed that U.S. security priorities lie elsewhere, a group of European countries has been working on a plan to ...

Opinion: The U.S. Defense Department might benefit from leveraging commercial technology more aggressively, argue RAND ...

A Russian drone attack hit the protective shelter over Chernobyl’s destroyed reactor, causing a fire that has since been ...

Ukrainian President Volodymyr Zelenskyy says a Russian drone struck the cover built to contain radiation at the Chernobyl ...

The Post ventured to the front lines of an offensive against the Islamic State in northern Somalia, where foreign fighters are flowing in and cash is flowing out.

Russian forces targeted Ukraine’s energy and gas infrastructure in a “massive” night time missile attack and Ukrainian drones ...