In a sense, U.S. nuclear weapons exist not to be used. And while nuclear threats seem far away, a tool from one group brings the scenario close to home.

A new global coalition seizes the moment to campaign for a halt and reversal of the nuclear arms race. The risk of nuclear war is greater now than in decades—and rising. Russia is upgrading its ...

The Doomsday Clock — a symbolic arbiter of how close humanity is to annihilating itself — now sits at 89 seconds to midnight, nearer than it has ever been to signalling our species’ point of no return ...

On the morning of 6 August 1945, in Hiroshima, Japan, a flash of light enveloped the sky so brightly that a 13-year-old boy, Ōiwa Kōhei, thought the Sun had fallen to Earth and landed in his mother’s ...

This is read by an automated voice. Please report any issues or inconsistencies here. “At the end of the Cold War, global powers reached the consensus that the world would be better off with fewer ...

On July 16, 1945, the first nuclear bomb exploded in the desert sands of New Mexico under the watchful gaze of Manhattan Project scientists. Known as the Trinity test, the blast marked the beginning ...

A new congressionally mandated report from the National Academies of Sciences, Engineering, and Medicine examines the potential environmental, social, and economic effects that could unfold over the ...

In “Preventing Nuclear War,” an essay published in the Bulletin of the Atomic Scientists, in 1981, the Harvard law professor Roger Fisher imagines a President in the White House, discussing nuclear ...

There is a risk that the war of words between Moscow and DC could escalate. Ad Policy The 2025 Doomsday Clock time is displayed after the time reveal held by The Bulletin of the Atomic Scientists at ...

It would be a-crop-alyptic. Amid rising tensions around the world, Penn State University scientists have revealed what the fallout would be from a nuclear war — with an unfathomable famine, mass ...

Nobel Laureates and leading nuclear experts gathered at the University of Chicago this week to discuss the continuing dangers of nuclear war and the need for prevention. Experts warned at a panel ...