The Black Hawk helicopter has been in service since 1979, but what makes it so special, that 36 countries use it? Here's everything you need to know.

It raises fresh questions as to why the two aircraft collided nearly head-on with each other killing all onboard.

New footage captures moment American Airlines plane and army Black Hawk helicopter crash in Washington DC - ...

Investigators are seeking clues into this week's deadly midair collision, the deadliest aviation disaster in the U.S. almost ...

NTSB investigators have recovered the engines and cockpit voice recorder (CVR) of the Learjet 55 that crashed on Jan. 31 in ...

The U.S. Senate on Tuesday approved Chris Wright, the CEO of a fracking company, to serve as secretary of energy.

Plus: Authorities say the Black Hawk that collided with a passenger jet may have been flying higher than the max altitude for its training mission.

The Army pilots were juggling dark skies, low altitude, a busy airspace and a cockpit without certain traffic detectors ...

Data from air traffic control radar showed the military chopper was flying at 300 feet on the air traffic control display at ...

A military helicopter was flying above the maximum altitude for its route when it collided with a passenger plane near Washington D.C. last week, authorities said. The National Transportation Safety ...