A newly-declassified video shows the testing of the Tsar Bomba, a nuclear weapon built by the former Soviet Union. The bomb was built in the midst of the Cold War, and only one was ever constructed.

But it still pales in comparison to the largest man-made explosion ever on Earth - the Soviet Union's Tsar Bomba - King of Bombs - detonated in 1961 in the height of the nuclear arms race.

The 50-megaton Soviet AN602—more often referred to as "Tsar Bomba," or the "king of bombs"—was responsible for the largest ...

Ivy Mike's detonation was so powerful that it vaporized the Elugelab Island where it was detonated, leaving in its place a 164-foot-deep crater ... The Tsar Bomba, as the test was ultimately ...

Russian propagandist proposes building plywood replicas of Big Ben and the White House in the Arctic — only to nuke them as a ...

A volcanic eruption near Nāpau Crater in Hawaii's Volcanoes National Park is continuing to dramatic effect, footage by the United States Geological Survey (USGS) shows. The eruptive activity at ...

We can’t help being concerned about the security of those unmortared roof blocks in the face of a Tsar Bomba, but fortunately they were never put to the test. We do find it amusing that this is ...

In 1811, Tsar Alexander I, supposedly allied with Napoleon, refused to be part of the continental blockade of British goods any longer. Napoleon’s edict barring trade with Great Britain was ...

These bombers, relics of the Cold War era, were designed for nuclear strikes and one notably dropped the Tsar Bomba, the most ...

The last tsar of the previous dynasty, a weak son of Ivan the Terrible, died in 1589. After which followed a period of foreign invasion and internal strife, and the throne was occupied by a series ...

NASA's rover on Mars has had enough of hanging out at the bottom of a crater. The six-wheeled Perseverance has begun its ascent to break out of its confines -- and has quite a way to go.

Scotland's 'traffic cone tsar' is among an army of bureaucrats costing taxpayers millions of pounds a year. Now MSPs have demanded a halt to the hiring of such costly officials after warning the ...