President Biden has pardoned his son Hunter Biden, who he says was "selectively and unfairly prosecuted." And, a look into whether real or fake Christmas trees are better for the

The U.N.'s top court begins hearings Monday on the legal obligation of countries to fight climate change.

Syrian rebels have swept through parts of the country at lightning pace, taking control of the the second-largest city, Aleppo. But who are they and what are their aims? (Image

A new study finds people who take weight-loss drugs also cut back on alcohol consumption. Researchers think the drugs could be a promising new treatment for addiction. (Image credit: AzmanJaka)

The justices will hear arguments about the FDA's rejection of some e-cigarettes. High schoolers are at the center of the case. (Image credit: Scott Olson/Getty Images)

Nearly all new cars now come with automatic emergency braking and other safety features. Researchers say these systems are saving lives, but there's still debate about how to make them