During the Stardust mission, NASA captured material traveling at nearly 19 times the speed of sound. The impact was so extreme it required special collection technology. The data revealed how violent ...

Denmark’s military drills in Greenland are focused on Russia, Arctic commander says ...

How Alex Pretti's death became a flashpoint for multiple political issues ...

EDITOR’S NOTE: This story contains descriptions and video that readers may find disturbing. As young partygoers rang in the New Year at a packed bar in the Swiss Alps, the celebrating quickly turned ...

Hawking was born on the 300th anniversary of astronomer and physicist Galileo Galilei’s death (January 8, 1642). Guest-starred, as himself, on “The Big Bang Theory,” “Star Trek: The Next Generation” ...