After the carnage of World War I, the U.S. Army Air Corps saw the need for a new type of plane with the range, altitude and speed to effectively bomb its targets. Boeing soon obliged with the powerful B-17.

The B-17 Bomber Changed the Face of Aerial Warfare (1:59)

720 million years ago, life on Earth was just about to take off. But a violent volcanic eruption in Northern Canada may have slowed down the process, thanks to clouds of ash that blotted out the sun.

Did a Volcano Eruption Slow the Development of Life? (3:00)

Investigators suspect that a design flaw in old 737s—later fixed by Boeing— may have caused the September 14, 2008 crash. But was it addressed in Aeroflot-Nord Flight 821?

Was Flight 821 Brought Down by a 737 Design Flaw? (2:47)

Dusty Kleiss is a bonafide American hero: a veteran pilot of the Battle of Midway, and one of the most effective dive bombers in U.S. military history.

This Pilot Was the Unsung Hero of the Battle Of Midway (2:30)

The sinking of the Titanic and the ensuing loss of life was horrific enough to prompt major action: in 1914, 16 nations formed an international patrol to scour the oceans for icebergs.

The Loss of the Titanic Led to "Iceberg Patrols" in the Atlantic (2:34)

During the battle of Midway, dive bomber Dusty Kleiss scored a direct hit on the Japanese carrier Hiryu by anticipating its next move: he aimed for where he thought it was going, rather than where it actually was.

U.S. Pilot Scores a Direct Hit on the Carrier Hiryu (2:56)

It's a special day for the HMS Queen Elizabeth: the first landing of a Royal Navy helicopter on her flight deck. Her crew work tirelessly to ensure there are no setbacks.

The HMS Queen Elizabeth prepares for the first landing of a Royal Navy helicopter on deck (3:29)

NTSB investigators scramble to interview eyewitnesses to the August 7, 1997 crash of Fine Air Flight 101. Two people confirm that flames were coming from one of the engines, just before the crash.

Eyewitnesses report a fire in one of Flight 101's engines (2:06)

Just before it crashed on April 4, 1994, the captain of KLM Flight 433 reported an oil pressure alarm. But investigators found no evidence of a problem—so how do we explain the discrepancy?