Environment Watch: Satellite video shows world's biggest iceberg, A23a, break free About the size of Rhode Island, the iceberg known as A23a got stuck in an ocean vortex this summer, spinning in place for months. Now, it's free, and heading back into open Antarctic waters. Manuela López Restrepo
Science The art (and science) of finding lost objects Finding missing items isn't a matter of "looking harder." There's an art and a science to it. Malaka Gharib
Science Why are monarch butterflies hanging out in the southern U.S.? Researchers are seeking help from the public in finding monarch butterflies that are overwintering in Southern states instead of migrating. It's not clear why so many stay behind. Molly Samuel
Science The CDC has confirmed the first severe case of bird flu in a human in the U.S. A person in Louisiana has been hospitalized after becoming infected with a case of bird flu that's been linked to wild birds and poultry. Will Stone
Politics The bald eagle isn't actually America's national bird — but that's poised to change After learning the U.S. doesn't officially recognize the bald eagle as its national bird, a Minnesota man swooped in. This week the House passed his bill, which now heads to Biden's desk. Rachel Treisman
Science Scientists know our bodies are full of microplastics. What are they doing to us? Plastic particles are found in our organs, blood and even semen. But do they stay in us forever? What damage are they doing? Here are 6 questions scientists are trying to answer Will Stone
Science You don't look a day over 4.35 billion! Here's the moon's anti-aging secret Early interactions with the Earth may have heated up the Moon and caused it to remelt, producing new lunar rocks and erasing old craters. Nell Greenfieldboyce
Science These were the top animal stories on NPR in 2024, including a boy's pregnant octopus This year, the animal kingdom was filled with triumph, loss and new discoveries. Here is a look at NPR's top animal stories of 2024. Ayana Archie
Science Nuclear bunker sales increase, despite warnings they won't provide protection Critics warn argue that people planning to live through an atomic blast aren't focusing on the real and current dangers posed by nuclear threats. The Associated Press
Science A 50 thousand year-old love story between humans and Neanderthals Tens of thousands of years ago, modern humans mated with Neanderthals. But exactly how and when that happened, and who those groups of humans were, was less known. New research adds some clues. Ari Daniel