In 1954, the United States detonated Castle Bravo at Bikini Atoll expecting a far smaller blast, but the weapon exploded with a 15-megaton yield and became the largest nuclear test in U.S. history.

In northwest North Korea, Mount Mantap became the center of the country’s nuclear testing program between 2006 and 2017, when six underground detonations were carried out beneath the mountain. The ...

Group Captain Richard Dixon, who has died aged 93, saw service in the Suez Canal Zone and was twice deployed to Christmas ...

The US air force’s heaviest bombers have arrived at an RAF base for the first time since the start of the war in Iran.

The B-21 represents a generational leap over the aging B-2 and offers a new way of fighting in most heavily contested of ...

There was no immediate threat from Iran. But the president saw a chance to push a weakened government over the edge, and is betting he can spark a popular uprising. By David E. Sanger David E. Sanger ...

The United States did not enter the war with Iran because it was attacked or was about to be attacked. It seems to have entered after concluding that once ...

The US tested a doomsday ballistic missile off the California coast Tuesday night — as war raged in the Middle East. The ...

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

The U.S. Air Force carried out a major intercontinental ballistic missile test on March ...

The United States Navy has quietly resumed live-fire testing of a prototype electromagnetic railgun.