Soft-tissue patterns on a well-preserved fossil suggest that elaborate spines helped dinosaurs to attract mates and communicate
Why the new science of sex & gender matters for everyone
Scientists call for wider access to rare samples rich in DNA
Patterns carved in an arm bone could mean the gruesome practice held some ceremonial value for Paleolithic people
The 13-million-year-old infant skull may have resembled a baby gibbon
Western fence lizards are more spooked by red and gray shirts than they are by blue ones—perhaps because the males have blue bellies themselves. Christopher Intagliata reports.
Strange creatures known as “rangeomorphs” could help paleontologists understand the origins of animal life
A remarkably complete skeleton and, at last, an age for mysterious Homo naledi
An epic bout of cold weather quickly altered a population of lizards—an example of natural selection in action. Christopher Intagliata reports.
The Cretaceous Period was a dangerous time for many animals, even for the “dinosaur equivalent of a tank.” Watch how researchers analyzed the pristine remains of a heavily armored nodosaur to discover this dino’s additional layer of defense.
What the demise of a small Mexican porpoise tells us about extinction in the 21st century
Scientists have reconstructed the ancient plant and figured out how it reproduced
Humans appear well equipped to recognize the alarm calls of other animals—perhaps because sounds of distress tend to have higher frequencies. Karen Hopkin reports.
The North American walnut sphinx caterpillar produces a whistle that sounds just like a songbird's alarm call--and the whistle seems to startle birds. Christopher Intagliata reports.
Exposure to existing antibiotics can imbue infectious bacteria with resistance that also kicks in against new drugs related to the originals. Christopher Intagliata reports.
Journalist and author Susan Ewing talks about her new book Resurrecting the Shark: A Scientific Obsession and the Mavericks Who Solved the Mystery of a 270-Million-Year-Old Fossil. (And we'll discuss how Helicoprion is not technically a shark, but it's really close!)
Australia is the end point of early modern human migration out of Africa, and sets the minimum age for the global dispersal of humans
New DNA-based research suggests dogs were domesticated in a single event, in contrast with a previous hypothesis
Some research suggests a tendency toward violence has shaped our anatomy throughout evolution. But anthropologists are sharply divided
Deep oceans were thought to hold life's origins. New evidence points instead to an active volcanic landscape