There are many nations that have nuclear weapons in their arsenal, but only two have the vast majority of warheads.

For the first time in more than half a century, there are no binding restraints on the buildup of the largest nuclear forces on Earth. The New START treaty expired on Feb. 5, 2026, ending the last ...

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...

The mystique of nuclear-powered submarines has been captured by at least half a dozen popular Hollywood films. Some have centered on the drama of undersea warfare and the risk of global nuclear ...

On November 2, Russia launched the nuclear-powered attack submarine Khabarovsk at its Sevmash shipyard. The 10,000-tonne submarine is purpose-built to carry a completely new type of weapon, the ...

Donald Trump plans to turn the UK into a “potential nuclear launchpad” and put American nuclear missiles on British soil for the first time since 2008, said the Daily Mail. The return of US nukes to ...

Scientific knowledge about the damaging effects of nuclear-weapons testing helped to end such tests. Those findings haven’t changed.

Benjamin holds a Master's degree in anthropology from University College London and has previously worked in the fields of psychedelic neuroscience and mental health. Benjamin holds a Master's degree ...

For the first time in more than half a century, there are no binding restraints on the buildup of the largest nuclear forces on Earth. The New START treaty expired on Feb. 5, 2026, ending the last ...