An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

The Post can reveal that miscommunications in one of the most crowded and complex patches of sky in the US are likely to ...

"My prayers are with all the families this has impacted," said Bill Zuhoski, who survived a 2009 crash. "I hope they can find ...

A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.

SHREVEPORT, La - The Space Shuttle Columbia broke apart over East Texas as it returned to earth on Feb. 1, 2003.

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.

It's been 39 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...

NASA recently paid tribute to the Challenger crew and other fallen astronauts during its annual Day of Remembrance.

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11.

O-ring erosion on Discovery would have disastrous effects a year later It has been 40 years since NASA launched the first ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy ...