U.S. agencies have adopted stronger policies but have not always followed them
Research advocates worry that the president's budget proposal could backfire in the face of political opposition
Specially outfitted planes, a research ship and hundreds of weather balloons aim to improve forecasts for strong storms
Seven centuries ago, tens of thousands of people fled their homes in the American Southwest. Archaeologists are trying to work out why
Marine scientist Don Boesch on the fight to restore ecosystems damaged by the Deepwater Horizon disaster
The White House plan would increase research and development funding but faces a rough road in Congress
Engineers overcame a design flaw in an instrument on NASA's Orbiting Carbon Observatory-2 to acquire the new high-quality data
Nereid submersible expands view of polar ecosystems.
Concentrations of greenhouse gases in Earth's atmosphere will surpass 400 parts per million in the next month. Nations could have a hard time keeping global warming in check at that level...
Conditions in the Arctic, where several environmental records were broken this year, are slipping rapidly from bad to worse as the pace of climate change accelerates in that region
The government says that a huge earthquake risk lurks in the heart of the country, where a series of large shocks hit 200 years ago. Seth Stein says that kind of warning is dead wrong