Regional fears of a US attack on Iran have eased after President Donald Trump said Tehran had assured him that protesters ...

President Donald Trump's aggressive push to annex Greenland has triggered warnings from European and Russian leaders about ...

A three-year-old startup enriches uranium using lasers instead of centrifuges. The US is working fast to once again enrich uranium domestically.

Russia also called NATO's military exercises in Greenland "yet another provocation" in the Arctic, as the U.S. moves to take ...

Developing nuclear fusion and modernizing the US nuclear arsenal will require substantial collaboration with the private ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the ...

A well-done show of force overawes an opponent, but a misfire signals weakness and escalates conflict — making the prospect ...

Leonardo DiCaprio and fellow Appian Way principals Jennifer Davisson and Phillip Watson have signed on to EP the Sundance documentary 'The Lake.' ...

First, the treaty condemns us to an inferior position against the two major nuclear threats facing us. Thanks to China’s rapid nuclear buildup, for the first time in history, the United States faces ...

He played a key role in ending apartheid South Africa’s secret weapons program in the 1980s by helping the African National ...

Numerous pundits and opinion pieces suggested that Trump’s Venezuela raid would send a welcome signal to Russia and China: ...