According to scientists who maintain that dinosaur extinction came quickly, the impact must have spelled the cataclysmic end. For months, scientists conclude, dense clouds of dust blocked the sun ...

Russia's Foreign Minister Sergey Lavrov has declared that Moscow is prepared to employ "all means" to defend its interests, including advanced hypersonic weaponry, and said any war with the U.S ...

NEW YORK − The most expensive dinosaur fossil ever sold will have a temporary home in Manhattan while on display at the American Museum of Natural History beginning Sunday. The nearly complete ...