As part of this, the Department of Energy's National Nuclear Security Administration (NNSA) was tasked in 2023 at a cost of US$92 million with building a new nuclear gravity bomb called the B61-13.

JERUSALEM—President Donald Trump’s overtures via a letter to the Islamic Republic of Iran’s supreme leader, Ali Khamenei, to jump-start talks on dismantling Tehran’s illicit nuclear ...

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His remark comes as the Trump administration has stated publicly its goal of reaching a new agreement with Tehran that would lead to the total shutdown of Iran’s nuclear weapons program.

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

To recall, it was earlier claimed that Iran had enriched enough uranium to produce six nuclear bombs. Highly enriched uranium is required to make nuclear bombs. The report also states that Russia ...

Donald Trump has warned Iran there would be “bombing the likes of which they have never seen before” if it rejects his nuclear weapons deal. The threat comes after the US president sent a ...

Iran has enough highly enriched uranium to make several relatively low-yield nuclear bombs, according to expert estimates. Rafael Grossi, the director general of the IAEA, said in December that ...

Places that will forever be remembered as the sites of nuclear disasters. Most people will have heard of them. But fewer are ...

The massive 7.7-magnitude earthquake that struck Myanmar on Friday unleashed a force equivalent to hundreds of nuclear bombs, according to geologists, as the death toll continues to rise and ...

Adams, Terence Maynard, Kevin McKidd and Lauren Lyle. Advertisement The bomb explosion killed 270 people on a flight from London's Heathrow Airport to New York on Dec. 21, 1988. It was the ...