Russian officials say they are waiting for an explanation from President Donald Trump about nuclear testing. He hasn't given ...

US President Donald Trump and Russian President Vladimir Putin have spent weeks trading threats to restart nuclear tests, an escalation kicked off by Putin’s boasts about tests of the Poseidon nuclear ...

Some of America's closest European allies say they're already in a gray zone between peace and war with Russia.

Military capability of Western alliance remains 'formidable' despite questions around US commitment to untested 'mutual ...

Bulgaria seized control of Lukoil PJSC’s local refinery to head off a potential fuel crisis from US sanctions on the Russian ...

He told Putin he might give Ukraine long-range Tomahawk missiles, and he tried to berate Volodymyr Zelensky into conceding ...

It's not clear how far the U.S. administration will go in bearing down on Venezuela, as its largest aircraft carrier nears.

Amid a buildup of US forces in the Caribbean, Venezuelan President Nicolas Maduro is reportedly reaching out to Russia, China and Iran to help bolster its military capabilities. But it’s unclear how ...

A nuclear war would not mark the extinction of one nation or race, it would signify the obliteration of humanity itself. The true spirit of science and knowledge can only survive when it safeguards ...