Here's why the nuclear bombs dropped in Japan left shadows of people on the ground and buildings.
In this except from the biography of J. Robert Oppenheimer, we hear from the people at the historic first test of the atomic bomb in New Mexico.
Juneteenth is a federally-recognized American holiday observed on June 19. It is also known as Emancipation Day and Black Independence Day. In 2023, it falls on a Monday.
A bunker discovered near the city of Anda in northeast China is believed to be the largest test site of Imperial Japan's infamous Unit 731, which conducted horrifying human experiments during the 1940s.
There are a few strategies for keeping nuclear weapons from accidentally detonating, including where and how the nuclear components are stored.
From programs to build supersonic flying saucers to atomic bombs, here are the most fascinating declassified military and CIA secrets.
In 1961, Russia detonated the Tsar Bomba, the most powerful nuke in history, over a remote Arctic island. New footage has been declassified and shared on YouTube.
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