The aircraft flew toward Novaya Zemlya, a Russian archipelago located within the Arctic Circle. The Tu-95V carried an RDS-220 atomic bomb, also known as the Tsar Bomba, mounted on its underside. The ...

Alex Wellerstein joins WIRED to answer the internet's burning questions about nuclear science. Which nations have nuclear bombs? Who decides who gets to have nuclear warheads and who doesn't? Why were ...

The Tsar Bomba's explosion was unparalleled in power. With a 50 megaton capacity, this nuclear test was estimated to be 3,800 times the strength of the Hiroshima atomic bomb. And although short video ...

An eyewitness account of the first atomic bomb tests in the Marshall Islands, along with some remarkably prescient observations about what they could mean for future superpower rivalries.

An examination of an explosion with energy equivalent to 1,000 atomic bombs. Arkansas will become first state to end PBS ...

A team of researchers has announced the discovery of millions of unusual debris buried in the sandy beaches near Hiroshima, Japan. These are believed to ...