The 2018 Paralympic mascot is the Asiatic black bear, a symbol of Korean folklore. But behind the caricature, South Korea has a troubled relationship with the bears, farming them for their bile.
The Pioneer Cabin Tree in Calaveras Big Trees State Park was one of California's few remaining tunneled-through sequoias. It was hollowed out more than a century ago.
Author Scott Carney talks about his new book, "What Doesn't Kill Us." Looking at case studies, Carney investigates how the body uses its environment to build resistance to normally extreme conditions.
About 90 percent of the fish Americans eat is imported, yet fish caught off our shores is often exported. New efforts are promoting locally caught fish, especially ones we've never appreciated before.
The American chestnut tree used to make up a quarter of the forests in the eastern U.S., but disease decimated these trees in the last century. Now there's an effort to restore the American chestnut.
NPR's Ari Shapiro talks to Ben Santer, a climate scientist at the Lawrence Livermore National Laboratory, about his open letter to Donald Trump on climate change.
Foreign fisheries exporting seafood to the U.S. will now have to meet the same standards for protecting whales, dolphins, and other marine mammals as American fisheries do.
For the sixth year in a row, Kiyoshi Kimura won a massive Pacific bluefin tuna at Tsukiji market's famed New Year auction. Conservationists are worried about the species' dwindling population.