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With cutting-edge sports medicine and sci-fi gadgetry, more and more athletes are figuring out how to extend their careers.

Against expert advice, people are using new and unpredictable synthetic drugs to experiment on themselves in hopes of becoming free of addiction.

Sources like wind and solar can now deliver continuous power, according to a new report. And, they're often a bargain compared with fossil fuels.

A long-neglected fossil seems to show the evolutionary leap that let the ancestors of today's many-legged arthropods crawl forth from the seas.

The agency's scientists and data contractors reviewed millions of patient records for studies that were pulled back before release.

Known for their speed, the Eta Aquarids will reach their peak on Tuesday night into Wednesday morning.

France must decide what to do with two orcas marooned at a deserted marine park: move them to another park, or release them into an open-water sanctuary.

The health secretary has long complained that Americans overuse psychiatric medications. New policies he is introducing aim to change that.

The delays, which companies say have worsened significantly in recent weeks, are the latest step in the Trump administration's efforts to block wind power.

Internal Interior Department documents show parks are imposing sweeping changes like expanding areas where firearms can by used and allowing game to be cleaned in restrooms.