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As automakers increase their efforts to design vehicles that are more fuel-efficient, college engineering programs are likewise adapting their curriculums, preparing students to build vehicles increasingly powered by batteries.

Cheap, plentiful natural gas provides utilities with little incentive to build coal-fired plants with a technology that traps carbon gas for storage or other uses.

Treece, Kan., has been torn down and may soon be erased from maps. But don’t tell that to the Busbys, who live there.

Using a remotely operated vehicle on the ocean floor, federal scientists happened upon the wreckage of a ship evoking a time when nations vied for power in the Americas.

A company opened a biofuel plant to supply ethanol to households in the Mozambican capital that rely on charcoal for cooking fuel.

An agency official said that the federal government lacked the financing to cover a cleanup of the tsunami debris washing up in Alaska and other states.

Human feeding of wild dolphins brings them into contact with anglers and their gear, and leads to increases in serious dolphin injuries and deaths.

A photographer slices open a stone and finds an image reflecting our gas thirst.

Congress has proposed legislation to help avoid a worldwide helium shortage, and some 30 percent of the global supply comes from a plant northwest of Amarillo.

A private company’s test flight will carry 11 student experiments onboard, including one involving winemaking.

The media company that accepted the conservative Heartland Institute’s controversial ad about climate change rejected one rival billboard but accepted another.

Researchers in Sarasota Bay, Fla., test whether dolphins’ heart rates change when they hear different signature whistles.

China has led the way in expanding nuclear generating capacity over the last decade.

Bangladesh, buffeted by climate change and flooding, is a prime example of a country whose fate could be determined by what happens at a conference in Rio next month.