The U.S. is the biggest nuclear power in Europe, but doubts about Washington’s commitment has leaders questioning their ...

Emmanuel Macron and Keir Starmer are gathering a 'coalition of the willing,' at the Elysée on Thursday, around 30 allied ...

European allies of Ukraine don’t all agree on the proposed deployment of an armed force in the country to back up an eventual ...

The boost in federal spending for SpaceX will come in part as a result of actions by President Trump and Elon Musk’s allies ...

What if the United States decided to fold up its nuclear umbrella over Europe? In its wake, Europe could either experience ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

Editor in chief Nancy Shute traces the history of nuclear weapons, from the first sustained nuclear reaction in 1942 to the renewed interest in explosive tests today.