Call it the Soviet Union's most valuable cold war secret. This past weekend, Russia declassified the existence of what could very well be the richest diamond field in existence, located in the depths ...

Friday's explosion, estimated to be equivalent to several atomic bombs, shattered glass in more than 4,000 buildings in Chelyabinsk and the surrounding region, leaving residents vulnerable in ...

Satellites have captured amazing views views of these craters on Earth. ESA explains. Nördlinger Ries, Ouarkziz Crater, ...

MOSCOW (AP) - A meteor that scientists estimate weighed 10 tons (11 tons) streaked at supersonic speed over Russia's Ural Mountains on Friday, setting off blasts that injured some 500 people and ...