A NASA astronaut captured a fascinating weather phenomenon that still has scientists scratching their heads. Nichole Ayers is ...

NASA astronauts Nichole Ayers, Jonny Kim and Anne McClain marked Independence Day with a few heartfelt words for their ...

The Kingdom of Saudi Arabia concluded its participation in the 68th session of the United Nations Committee on the Peaceful ...

On that fateful day, an asteroid detonated above the remote Siberian wilderness in Russia, unleashing a force equivalent to 185 atomic bombs dropped on Japan's Hiroshima. The blast leveled ...