An Iranian delegation visited Russian scientific institutes that produce dual-use technologies — components with potential ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were ...

Scientists and others are calling on civil society to heed growing nuclear dangers and revive the anti-nuclear movement.

The Kremlin warned it will take "military‑technical" steps in response to restore what it calls a strategic balance with the ...

Eighty years ago, the United States detonated atomic bombs for the first time in history, ushering in a devastating new era ...

In its most recent report on Chinese nuclear weapons, the Federation of American Scientists estimated that China possesses 462 land-based missile launchers capable of targeting the continental U.S., ...

A new preprint study has taken a look at transient objects captured by astronomers in the pre-Sputnik era, finding a curious ...

The indications, then and since, that the development of nuclear weapons did not bode well for human survival, were clear enough. The two small atomic bombs dropped on the cities of Hiroshima and ...

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

For 41 years, from 1951 to 1992, the United States conducted 90% of its explosive nuclear weapons tests — more than 900 — at the test site, making areas of Nevada among the most radioactive ...