Tonga eruption equivalent to hundreds of Hiroshimas: NASA

The Tonga volcanic eruption unleashed explosive forces that dwarfed the power of the Hiroshima atomic bomb, NASA scientists have said, as survivors on Monday described how the devastating Pacific blast "messed up our brains".

The powerful meteor that no one saw (except satellites)

At precisely 11:48 am on December 18, 2018, a large space rock heading straight for Earth at a speed of 19 miles per second exploded into a vast ball of fire as it entered the atmosphere, 15.9 miles above the Bering Sea.

Evacuations ordered as Florida braces for Hurricane Michael

Residents of northwest Florida had until early Tuesday to leave their homes ahead of Hurricane Michael, forecast to crash ashore midweek as a major Category 3 storm with "life-threatening" flash flooding possible.

Japanese students use VR to recreate Hiroshima bombing

It's a sunny summer morning in the city of Hiroshima, Japan. Cicadas chirp in the trees. A lone plane flies high overhead. Then a flash of light, followed by a loud blast. Buildings are flattened and smoke rises from crackling ...

New $2.5B contract awarded to manage nuclear weapons lab

Overseeing a top nuclear weapons laboratory that has had security and safety problems will be the responsibility of a new management team that includes two universities and a research firm that does work around the world, ...

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