Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...

Pakistan has told Canada that it cannot permit the latter to have a say in how Pakistan operates a nuclear reprocessing plant it is buying from France.

The third round of indirect negotiations took place Thursday in Geneva as President Donald Trump threatens Tehran with possible military action.

Iran and the United States held hours of indirect negotiations over Tehran’s nuclear program but walked away without a deal.

So long as it doesn't ratify the Comprehensive Nuclear Test Ban Treaty, the United States won't be able to seek short-notice, on-site inspections to deter and detect possible Chinese and Russian ...

Capt. Robert A. Lewis, the co-pilot of the Enola Gay, scribbled thoughts in a notebook while the first atomic bomb was dropped on Japan.

In a move that sent tremors through the global security landscape, the United States, in February 2026, publicly accused ...

Lewis’s account, which he wrote during and after the bombing, has just been put up for sale by Dan Whitmore, a rare book dealer in Pasadena, California, who is handling it on consignment for the ...

State TV reported that Iran was determined to continue enriching uranium and rejected proposals to send it abroad, signaling ...

In the latest turn, Trump spelled out what he called the Islamic Republic’s “sinister nuclear ambitions” Tuesday night.

Iran and the United States are holding a new round of talks in Geneva over Tehran’s nuclear program. The talks on Thursday ...

Iran and the United States prepared to meet Thursday in Geneva for nuclear negotiations, as America has gathered a fleet of aircraft and warships to the Middle East to pressure Tehran into a deal.