America’s Trident D5 missiles represent a bedrock of America’s national defense—meaning that they must occasionally be tested.

Chinese drone experts have flown to Russia to conduct technical development work on military drones at a state-owned weapons manufacturer that is under Western sanctions, according to a report.

North Korea has enriched up to two tonnes of uranium – enough to build 47 nuclear bombs, according to South Korean estimates.

Reuters is the first to report specific details of the extensive involvement of Chinese experts in tests and technological work on military-use drones inside Russia.

Thanks in large part to such initiatives, U.S. efforts to combat proliferation over the last 60 years have succeeded more often than they have failed. Only nine states possess nuclear weapons, and ...

The F-35A Lightning II has been certified to deliver the B61-12 nuclear gravity bomb, transforming America’s premier ...

The teenager student who stabbed a teacher in a school in northeastern France was fascinated by weapons and Nazi ideology, ...

NPR talks with Margus Tsahkna, the foreign minister of Estonia, about Russia's alleged incursion into Estonian airspace and ...

Professor Michael Clarke, our military analyst, has been answering your Ukraine war questions. Watch it back or read the best of his answers below.