A new study of the dental plaques of three Neanderthals reveals surprising facts about their lives, including what they ate, the diseases that ailed them and how they self-medicated (and smooched).
Texas leads the nation in wind energy, while wind turbine technician is the fastest-growing job in the U.S. The industry flourished under former Gov. Rick Perry, Trump's new energy secretary.
The unusually warm winter has proven deadly in the northeast. More than a dozen people, including snowmobilers and ice fishermen, have died when they fell through thin lake ice.
Wildfires are still burning out of control in Colorado, Oklahoma, Kansas, Texas and Florida. The governor of Oklahoma has declared a state of emergency.
James McClintock, a marine biologist, talks with David Greene about how warming temperatures have had a dramatic impact on the glacier near the U.S. Palmer Station in Antarctica.
A federal judge denied a request from the Standing Rock Sioux and Cheyenne River tribes to halt construction on the final piece of the pipeline in North Dakota.
Indoor and outdoor air pollution is one of the most extreme threats to children's health — and is on the rise, according to the World Health Organization reports.