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 ...

The meteor - estimated to be about 10 tons - entered the Earth's atmosphere at a hypersonic speed of at least 54,000 kph (33,000 mph) and shattered into pieces about 30-50 kilometers (18-32 miles) ...

Russian authorities claim to have found the impact sites of some of the fragments of the Chelyabinsk meteor, according to the RIA Novosti news agency. Two have been found near Chebarkul Lake—one of ...

(AP) Scientists studying the terrifying meteor that exploded without warning over a Russian city last winter say the threat of space rocks smashing into Earth is bigger than they thought. Meteors ...