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

An American Airlines plane and an Army helicopter collided Wednesday night near Ronald Reagan Washington National Airport.

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 ...

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

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.

Authorities have switched to a recovery mission in the Potomac River following a midair collision between an American Eagle ...

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

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

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.

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

An American Airlines jet with 60 passengers and four crew members aboard collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, D.C. Three soldiers ...