On January 28, 1986, the Space Shuttle Challenger exploded after it was launched from Kennedy Space Center in Florida in just 73 seconds which claimed the lives of seven astronauts.

American Airlines jet that collided with an Army helicopter are feared dead in what was likely to be the worst U.S. aviation disaster in almost a quarter century, officials said Thursday.

It’s been over 12 hours since an American Airlines plane and a military helicopter collided near DCA and crashed into the Potomac River. Daylight images are now coming out of the wreck that paint a ...