A new study argues that diet, rather than social behaviors, led to our large brains.
EPA director Scott Pruitt confirmed President Donald Trump will sign an executive order to roll back Obama-era power plant regulations.
The Bloomberg Global Health Index ranked 163 countries, and Italy came in at the top.
Republicans have shelved their plans to repeal Obamacare, so what does the future hold?
The Trump administration might have signed off on the Keystone XL project, but Nebraska still hasn't approved it.
More than 36 million U.S. adults smoke cigarettes — and nearly three-fourths of them have "one or more low-socioeconomic disadvantages."
Speaker Paul Ryan suspended the vote on the American Health Care Act after too many Republicans defected.
A new study finds moderate amounts of alcohol may be good for many heart conditions.
Astronauts are updating shuttle-era docks for future commercial crew spacecraft.
The State Department issued a permit for construction on Friday.
House GOP lawmakers are preparing to try to fulfill their promise to repeal Obamacare ... or major portions of it.