The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.

An American Airlines plane and a U.S. Army helicopter collided near Reagan National Airport and crashed into the Potomac ...

ARLINGTON, Va. (AP) — At least 28 bodies were pulled from the icy waters of the Potomac River after an American Airlines jet ...

Democrats were seething Monday at Elon Musk’s efforts to gut agencies. The threat of a government shutdown in March is giving ...

The murder of a US Border Patrol agent near the Canadian border appears to be linked to a radical leftist trans militant cult ...

An AI image falsely depicts the deadly American Airlines crash. Distorted text, floating vehicles, and incorrect details are ...

A new premier in France and soon in Canada, a new coalition in Austria, new presidents in Georgia and Moldova despite ...

The economic fallout began Saturday evening as Canada said it will retaliate with a 25% tariff on $30 billion (Canadian dollars) of U.S. goods, with another C$125 billion to follow in three weeks.

A multi-agency search and rescue operation is underway in the Potomac River after a small American Airlines aircraft collided with an Army helicopter near Reagan National Airport, authorities ...

"I can't think of any circumstances where it should take years to go out and buy a commercial truck." Defence Minister Bill Blair's recent comments to the media suggest disbelief, and yet that is ...

The weapon that killed Agent David Maland last week in northern Vermont was bought by a person of interest in a double murder ...

President Donald Trump’s threatened tariffs against Canada and Mexico risked blowing up North America’s economy ...