A classified network of SpaceX satellites is emitting a mysterious signal An amateur satellite tracker stumbled across the signal, which is coming from Starshield satellites in a "hidden" part of the radio spectrum. Geoff Brumfiel
'Death fold' proteins can make cells self-destruct. Scientists want to control them Scientists are hoping to treat diseases including cancer and Alzheimer's by influencing how cells make life-or-death decisions. Jon Hamilton
Earthworm magnetic navigation Earthworms may offer clues into magnetic navigation Scientists have known for decades that many animals use the Earth's magnetic field for navigation. It's less clear how they do it. A new study suggests earthworms may be a good way to figure it out. Nathan Rott
Greetings from the Rhône Glacier, where a gash of pink highlights how it's melting Far-Flung Postcards is a weekly series in which NPR's international team shares moments from their lives and work around the world. Rob Schmitz
Scientists are genetically modifying wildlife. Should they be released in the wild? Humans can genetically modify plants and animals to be more resilient to climate change and disease. But the scientific community is divided about whether the tool should be put to use in nature. Nathan Rott
Grains, sheep and soldiers: How one scientist is studying the physics of crowds Applied physicist Iker Zuriguel studies the movement of particles and people to optimize their flow and improve public safety. Ari Daniel
Data centers are booming. But there are big energy and environmental risks How tech companies and government officials handle local impacts will shape the industry's future in the U.S. Michael Copley
In reading, the nation's students are still stuck in a pandemic slump New 2025 testing data shows third- through eighth-graders scored far below 2019 levels in reading. In math, some grades have made gains, but all are lagging compared to before the pandemic. Cory Turner
A stunning discovery in Mongolia changes what's known about domed-head dinosaurs The pachycephalosaurs were a unique group of dinosaurs with domed heads. But scientists haven't known much about them because their fossils have been so incomplete. A stunning discovery from southern Mongolia has changed that. Ari Daniel
A camping trip in the Rockies came with an unexpected message: you've won a Nobel Prize Fred Ramsdell was camping with his family in the Rocky Mountains when he missed the call telling him he'd won the 2025 Nobel Prize in Physiology or Medicine. Andrew Limbong
