As Los Angeles recovers from its devastating wildfires, environmental engineers, urban planners and natural disaster experts ...

By David Shepardson, Steve Holland, Jeff Mason and Trevor Hunnicutt WASHINGTON (Reuters) -U.S. authorities said on Thursday ...

The investigation into mid-air collision between an American Airlines plane & a US Army helicopter in which all 67 are feared ...

U.S. authorities said on Thursday it was not yet clear why a regional jet crashed into a U.S. Army helicopter at a Washington ...

President Donald Trump implied without evidence federal diversity efforts were at fault on Thursday after a regional jet crashed into a U.S.

More than 60 people were dead after an American Airlines regional passenger jet collided with a U.S. Army Black Hawk helicopter on ...

More than 60 people were feared dead after an American Airlines regional passenger jet collided with a U.S. Army Black Hawk helicopter on ...

By David Shepardson, Jeff Mason and Trevor Hunnicutt WASHINGTON (Reuters) -More than 60 people were feared dead after an American Airlines regional passenger jet collided with a U.S. Army Black Hawk ...

By Trevor Hunnicutt, David Shepardson and Jeff Mason WASHINGTON (Reuters) -Scores of people were feared dead after an ...