How studying lions' roars with AI can help with conservation efforts Scientists have harnessed artificial intelligence to classify lion roars, a tool they say could help with lion conservation. Ava Berger
A bowhead whale's DNA offers clues to fight cancer Scientists searching for new ways to combat cancer think they may have uncovered a promising new lead in the DNA of the bowhead whale. Ari Daniel
How an ant colony can be tricked into betraying its queen For some would-be ant queens, the easiest way to take over a colony is to dupe its worker ants into committing regicide. Nell Greenfieldboyce
Eating just a handful of plastic can be fatal for marine animals, a study finds Scientists have long known that plastic waste is bad for marine animals. A new study quantifies how little ingested plastic it takes to be a lethal dose. Nathan Rott
Trump administration seeks to roll back protections for imperiled species and habitat The Interior Department proposed reviving a suite of changes to Endangered Species Act regulations first made during the Republican's first term. Those changes were reversed under former President Biden. The Associated Press
A bee named Lucifer A scientist in Australia discovered a new species of native bee, which she named Lucifer because it has horns. Many things are unknown about native bees, and it's unclear what purpose the horns serve. Katia Riddle
These sea turtles in India have rebounded after years of patchwork efforts Olive ridley turtle populations appear to have rebounded in India after years of patchwork efforts to stem their decline. Can it last? Diaa Hadid
Why some ant colonies get tricked into killing their own queens For some would-be ant queens, the easiest way to take over a colony is to dupe its worker ants into committing regicide. Nell Greenfieldboyce
All you need to know about West Coast orcas, their distinct diets and habits A study reveals that certain West Coast orcas belong to distinct social groups with different habits and diets. NPR's Scott Simon speaks with ecologist Josh McInnes about how the groups differ. Scott Simon
Scientists pull ancient RNA from a wooly mammoth's body Scientists have extracted the oldest RNA molecules out of a wooly mammoth, gaining a snapshot into the processes at work in the extinct mammal's body just before it died. Ari Daniel