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The software that the EPA says causes Volkswagen cars to cheat official emissions tests exists in only one type of diesel engine, the carmaker says — and it has sold 11 million of them.

Scott Pruitt is out as head of Environmental Protection Agency after a string of scandals. NPR's Mary Louise Kelly speaks with Christine Todd Whitman, former EPA head under President George W. Bush.

During the Ice Age, it seems Neanderthals tended to chow down on whatever was most readily available. Early humans, on the other hand, maintained a consistent diet regardless of environmental changes.

The U.S. Supreme Court ruled that the Environment Protection Agency does not have the authority to mandate carbon emissions reductions from existing power plants.

The United States will engage in new international negotiations to reduce greenhouse-gas emissions, according to a plan President Bush announced Thursday. The president heads to Germany next week to discuss climate change with other world leaders.

Rendered beef fat is having a moment as a viral skincare trend. TikTok influencers claim this 'natural' product is a complexion panacea. But is it? We asked skincare experts.

NPR's Ailsa Chang speaks with the multi-instrumentalist James Bishop about how he transforms recordings of natural objects into music.

The number of moose in Minnesota is about half what it was just 20 years ago.

Scientists and filmmakers capture images in unprecedented, truly breathtaking ways in the BBC nature documentary series. Critic David Bianculli calls Blue Planet II a "dazzling piece of television."