Environment Countries agreed to try to hold global warming to 1.5 degrees Celsius. Is that still possible? In the 2015 Paris Agreement, most countries agreed to try hard to limit global warming to below 1.5 degrees Celsius. Delay and inaction mean that goal is becoming harder to achieve by the day. Alejandra Borunda
Environment Biden marks his climate legacy during Amazon visit, asserting 'nobody' can reverse it "Some may seek to deny or delay the clean energy revolution that's underway in America, but nobody — nobody — can reverse it," Biden said. But Trump has vowed to roll back those plans. Asma Khalid
Environment This soil is slowly burning, releasing CO2. The solution? Let water reclaim it Peatlands, formed by ancient wetlands, store more carbon than the world's forests. But when they're drained for farming, they vent heat-trapping carbon dioxide into the air. Dan Charles
Science Scientists find a 35,000-year-old saber-toothed kitten in the Siberian permafrost The kitten, which was found in Russia's northeastern Sakha Republic, still had fur and whiskers when it was discovered. Mansee Khurana
Science Opinion: Uranus was having a bad hair day. Hey, it was the '80s! Scientists are reconsidering old information about Uranus. NPR's Scott Simon explains the problem with photos taken of the planet 38 years ago. Scott Simon
Science This week in science: a sea creature, healing the nervous system and holiday eating NPR's podcast Short Wave brings the stories of a newly identified deep sea creature, the benefits of exercise for healing our nervous system and science-backed tips for holiday eating. Emily Kwong Regina Barber
Science Stargazers can see the final supermoon of the year this weekend The next supermoon — which appears larger and brighter than a regular full moon due to its proximity to Earth — will not be visible for nearly a year. Chandelis Duster
Environment When will greenhouse gas emissions finally peak? Could be soon Fossil fuel emissions have increased steadily for almost two centuries. Now, the world may soon reach an important turning point for climate change. Lauren Sommer
Politics Experts testify at UFO hearing in Congress A similar hearing last year brought extraordinary moments, including a retired intelligence officer alleging that the U.S. government has recovered nonhuman "biologics" from crash sites. Bill Chappell
Science Small fossil has big implications for bird brain evolution Birds descended from the dinosaurs, but researchers have known relatively little about how the bird's brain took shape over millions of years. A new fossil sheds light on that mystery. Ari Daniel
