The war between Israel and Iran and President Donald Trump’s strikes on Iranian nuclear sites have brought renewed attention ...

Ahead of U.S. strikes on Iran, one U.S. intel assessment concluded Iran could build a nuclear weapon in months but didn't ...

We asked three experts on Iran’s nuclear program what Trump achieved with his strikes. Their answers were concerning - ...

Deadlier weapons, more nations, autocrats in charge, disinformation and collapsing arms control — the risk of nuclear ...

“Certainly, North Korea doesn’t rue the day it acquired nuclear weapons,” said Christopher R. Hill, who led lengthy, ...

The US has struck three key nuclear sites in Iran, President Donald Trump said on Truth Social Saturday evening as the ...

As the world waits to see if the US joins Israel in its war with Iran, the latest evidence from the ground suggests they ...

Building on past research, scientists worked to calculate how much sun-blocking soot would enter the atmosphere from firestorms that would be ignited by the detonation of nuclear weapons.

Israel might have to depend on America’s bunker buster bombs to finally topple Iran’s Fordow Fuel Enrichment Plant, a heavily ...

Israel's airstrikes on Tehran escalate tensions as Israeli sources claim Iran was assembling a nuclear device, while others maintain Iran has not reauthorized its weapons program.

A new US nuclear weapon 24 times more powerful than the one used on Hiroshima is being rush-produced because of an “urgent” and “critical” threat from rising global tensions, according to ...

The environmental effects of tactical nuclear weapons use are difficult to calculate and would depend on warhead yield, detonation height, weather, and local geography.