Living in the Colorado high country is pure joy. Baking in it isn’t. High altitude makes cookies spread in the pan, cakes ...

Something strange is happening in the night sky tonight—the Moon is climbing higher than usual, reaching one of its most ...

Every plane crash is a tragic loss, but the aviation industry as a whole makes sure to improve after each one.

The Army Black Hawk helicopter that collided with an American Airlines passenger plane was flying too high, according to the ...

Snow sports columnist Shaun Sutner headed away from the Northeast and found plenty of snow and altitude in the Allegheny ...

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 ...

Preliminary flight data from the deadly plane crash near Reagan National Airport in Washington, D.C., shows conflicting ...

Preliminary data from the deadliest U.S. aviation accident in nearly 25 years showed conflicting readings about the altitudes of an airliner and Army helicopter when they collided near Washington.

Victims' families gathered near the site where a plane and copter collided and fell into the Potomac River. 'They are all ...

At an incredible 5,800 metres (19,000ft) above sea level, this road has been declared the world's highest and climbs up the ...