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 ...

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

From the asteroid that wiped out the dinosaurs to one that nearly hit Moscow, space rocks have shaped our history. Could we ...

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 ...

Search interest is up for items that offer a sense of security in uncertain times — and Americans seem to have a lot on their minds.

The death toll from a Russian missile strike on Ukraine’s Dnipropetrovsk region has risen to 22, officials said, as Ukraine’s top commander claimed the military has effectively halted Russia ...