"Energy Secretary Jennifer Granholm was set to announce a “major scientific breakthrough” Tuesday in the decades-long quest to harness fusion, the energy that powers the sun and stars."

"Scientists hit a key milestone in the quest to create abundant zero-carbon power through nuclear fusion. But they still have a long way to go."

"EPA and the agency’s inspector general are at odds over whether federal oversight is sufficient to ensure U.S. water operators are protected against hackers and other saboteurs."

"A single dose of an antibody drug provided strong protection against malaria infections during the six-month rainy season in Mali, an international team of researchers announced Monday. "

"Ten miles off the coast of Aberdeen in Scotland, five turbines tower over the North Sea. Each is as tall as the giant towers of Canary Wharf in London's docklands. Kincardine is the world's largest floating wind farm."

"ROANOKE, Va. — A high-voltage grid transformer as big as a railroad boxcar sits on the loading dock of a factory here, ready to push power across transmission lines as an indispensable part of the nation’s electric grid."

"The Environmental Protection Agency announced plans Thursday to further cut emissions of climate super-pollutants widely used in air conditioning and refrigeration, the latest step in the United States’ effort to phase down the potent greenhouse gases."