Vladimir Putin is recklessly threatening to use tactical nuclear weapons against Ukraine. That’s the equivalent of a Hiroshima bomb.” ...

Explore the ancient mechanism some believe was built to track the end of days—and why it's still ticking after 5,000 years.

Top nuclear experts gathered in Chicago to offer world leaders a playbook for reducing the risk of nuclear war.

The 80th anniversary of the Trinity test is a good time to question and put the brakes on current plans for major pit production at Los Alamos National Laboratory. According ...

First Steps , has officially lifted its social media embargo ahead of Monday night's world premiere, and initial reactions ...

On the surface, Russia and China flaunt their “No Limits Partnership,” but a secret Russian intelligence document reveals ...

Nuclear deterrence is no longer a two-player game, and emerging technologies further threaten the status quo. The result is a ...

Yet mainstream US media outlets and partisan politics are routinely oblivious to threat of oblivion.

Scientists and military leaders proceeded with the first atomic bomb test despite acknowledging the risk of a catastrophe.

On this week’s “More To The Story,” Daniel Holz from the Bulletin of the Atomic Scientists discusses why the hands of the ...

The Russian "Doomsday Ship," the Almirante Gorshkov, is sailing towards the US with an arsenal of hypersonic missiles, including the deadly Zircon missile, capable of speeds up to 11,000 km/h. This ...

Ukrainian authorities say two people were killed and some 17 injured after Russian drones attacked the southern Ukrainian port city of Odesa.