YR, the explosion from an airburst would equal around eight megatons of TNT -- more than 500 times the power of the Hiroshima ...

The picture has been widely shared for years and purportedly shows the aftermath of the explosion in the Japanese city.

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

It may sound apocalyptic, but a newly detected asteroid nearly the size of a football field now has a greater than one ...

An RAF veteran who was one of the first British personnel to witness a flattened Hiroshima and survived two crash landings is marking his 102nd birthday. Roy Daines, from Essex, first volunteered for ...

Roy Daines had his memories of the war published to mark his 90th birthday - 12 years ago An RAF veteran who was one of the first British personnel to witness a flattened Hiroshima and survived ...

A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly as bright as the Sun. Shockwaves powerful enough to flatten everything ...

WASHINGTON - A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly as bright as the Sun. Shockwaves powerful enough to ...

The asteroid’s possible impact sites include the eastern Pacific Ocean, northern South America, the Atlantic Ocean, Africa, and South Asia.

The city of Hiroshima is best known among overseas visitors as the site of the world’s first atomic bombing. The city’s association with nuclear weapons has been underscored by the recent Nobel Peace ...

WASHINGTON: A colossal explosion in the sky, unleashing energy hundreds of times greater than the Hiroshima bomb. A blinding flash nearly as bright as the Sun. Shockwaves powerful enough to ...