A passenger jet collided with a helicopter while landing at Ronald Reagan National Airport on Wednesday evening, prompting a ...

A midair collision between an Army helicopter and an American Airlines flight killed all 67 people aboard the two aircraft, ...

Ontario has five offices in the U.S. With 88 people around D.C. and 30 in New York, as well as others in Texas, Chicago, and ...

Wednesday's crash was the deadliest in the U.S. since Nov. 12, 2001, when an American Airlines flight crashed into a ...

Researchers from six different universities are working on measuring nitrous oxide emissions from an old CBC broadcast tower ...

A passenger jet collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting a large search-and-rescue operation in the nearby Potomac River.

An American Airlines jet with 60 passengers and four crew members aboard collided Wednesday with an Army helicopter while ...

An American Airlines flight and a Blackhawk helicopter collided mid-air near Reagan Airport, crashing into the Potomac River.

An unknown number of people are believed to have died when an airliner and a military helicopter collided near Ronald Reagan Airport.

An American Airlines jet carrying 64 people plunged into the Potomac River after colliding in midair with an Army helicopter on Wednesday night. Recovery teams had pulled more than two dozen bodies ...

The building design has won a Canadian Architect Award of Excellence ... The University of Toronto has started building a new mass timber tower, 14 storeys and 77 metres high.