In 1996, countries with nuclear capability signed the Comprehensive Test Ban Treaty. Though this has not yet been enforced, the last tests by the United States, the United Kingdom and Russia were ...

The most powerful U.S. weapon ever tested, the TX-21 "Shrimp" bomb, unleashed 15 megatons of explosive power during the "Castle Bravo" test at Bikini Atoll in the Marshall Islands on March 1, 1954.

The third most powerful test took place earlier in 1962, with a yield of 21.1 megatons. Much like the other very high-yield Soviet bomb tests, Test 147 was detonated in the air over Novaya Zemlya ...

RECA, which awarded financial reparations to people who lived downwind of the Nevada Test Site, ended last year but has now ...

North Korea maintains a “no-first-use” policy since its fourth nuclear weapons test in 2016, but the country’s strictly controlled media has made nuclear threats for perceived provocations ...

On the morning of that date in 1954, the United States carried out Castle Bravo, the first-ever trial of a deliverable hydrogen bomb, on a man-made island in Bikini Atoll in the mid-Pacific ...

The Trump administration should embrace a North Korea strategy that aims to contain escalation, not keep a white-knuckled ...

A U.S. Navy nuclear test, left, is conducted in Bikini Atoll, Marshall Islands, while former President Donald Trump, right, sits in the courtroom during his civil fraud trial on November 6, 2023 ...

The world's first atomic bomb was tested in New Mexico in 1945, where hundreds of locals are still facing fallout from the test. Many are also fighting for compensation from the federal government.

The study also reanalyzed fallout from all 93 aboveground U.S. atomic tests in Nevada and created a map depicting composite deposition of radioactive material across the contiguous U.S.

The website explains it as: "Maximum size of the nuclear fireball; relevance to damage on the ground depends on the height of ...

The world's first atomic bomb was tested in New Mexico in 1945, where hundreds of locals are still facing fallout from the test. Many are also fighting for compensation from the federal government.