Millions of U.S. troops fought in Vietnam. For some Americans, the war that effectively ended with the fall of Saigon 50 ...

Concorde made the fastest transatlantic commercial flight from New York to London in 2 hours and 52 minutes. But the era of ...

Catherine L. Campbell, Ph.D., is a retired registered nurse with over 40 years nursing experience in clinical, academia, and ...

Katy Perry texted Luke Bryan to say her trip into space was "crazy".