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 after a deadly collision between a passenger jet and a military helicopter.

A documentary deconstructs the true crime genre, an obsessive worms his way into a pop star's entourage, and more standouts ...

A series of orders from the Trump administration have the potential to disrupt the delivery of life-saving medications to HIV positive people. Here's what a disruption of this drug regimen would mean.

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

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 ...

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

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 already hampering research.

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

Authorities are combing the Potomac River for a second day in search of victims and more clues behind the deadliest U.S. air crash in over 20 years.