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.

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

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

The Chinese experts have visited arms maker IEMZ Kupol on more than half a dozen occasions since the second quarter of last year. During that time, Kupol also received shipments of Chinese-made attack ...

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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 ...

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

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.