Federal authorities have restricted helicopter flights near Ronald Reagan Washington National Airport. The move comes days after a deadly collision between a passenger jet and a military helicopter.

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

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

Winters are getting warmer and shorter as the climate changes. That's helping rat populations grow in several U.S. cities.

Responders are working to recover the victims of Wednesday night's midair collision over Washington, D.C. It could be the deadliest crash to occur in U.S. airspace in at least 15 years.

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

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

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

More and more questions are being raised about the legality of the Trump administration's offer to nearly all federal workers ...

The next steps in the fatal midair plane and helicopter crash investigation. And, why nuclear testing could ramp up in the U.S., as well as a look inside the secret lab where weapons testing happens.

President Trump's efforts to cut the federal workforce by 10% might not save as much money as hoped and could have unintended ...

A German far-right party celebrates as it helps the country's likely next chancellor get a migration bill passed in parliament.