The airspace above Reagan National Airport, where a commercial plane collided with an Army helicopter this week, has become ...

Rwandan-backed M23 rebels say they are now in control of the key eastern Congolese city of Goma. Their fighters continue to ...

Gov. Greg Abbott this week directed state agencies to work with federal immigration authorities to crack down on illegal ...

Research and basic information on subjects ranging from tuberculosis surveillance to adolescent health disappeared from ...

Federal authorities have restricted helicopter flights near Ronald Reagan Washington National Airport. The move comes days ...

Responders are working to recover the victims of Wednesday night's midair collision over Washington, D.C. It could be the ...

The Chinese chatbot took the world by storm and rattled stock markets. But lost in all the attention was a focus on how the ...

President Trump renewed his threat to impose 25% tariffs on imports from Mexico and Canada as early as this weekend. The move ...

Costco is raising pay for most workers as a Friday night deadline looms on a new contract with its unionized employees.

A series of orders from the Trump administration have the potential to disrupt the delivery of life-saving medications to HIV ...

The National Science Foundation's funding freeze, and wider confusion about the status and future of science funding, is ...

Authorities are combing the Potomac River for a second day in search of victims and more clues behind the deadliest U.S. air ...