Pakistan has carried out airstrikes in Kabul and two other Afghan provinces, Afghanistan’s government spokesperson says.

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 ...

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.

The bombardment, which included 11 ballistic missiles, targeted critical infrastructure and residential areas across eight regions of Ukraine, Ukraine President Volodymyr Zelensky said.

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 indirect negotiations in Geneva as talks over Tehran’s nuclear program hang in the ...

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

There are three things to remember if the U.S. goes to war with Iran: It was never about nuclear weapons, it was never about helping the Iranian people, and Iran was genuinely negotiating a diplomatic ...