Just like vertebrates, cephalopods—such as octopuses and squid—have elaborate brains. Neuroscientists are flocking to them ...

Global warming extinctions usually have people picturing the last polar bears or other furry critters disappearing, but the crucial and oft-overlooked world of plants is going to be decimated by ...

Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a ...

The ancient cephalopod, Nanaimoteuthis haggarti, appears to have been an apex predator that rivaled mosasaurs to rule prehistoric seas.

Some 80 million years ago, the late Cretaceous oceans were patrolled by 17-meter mosasaurs, long-necked plesiosaurs, and massive, predatory sharks. For decades, the paleontological consensus was that ...

A long-neglected fossil seems to show the evolutionary leap that let the ancestors of today’s many-legged arthropods crawl ...

Vertebrates exhibit a remarkable array of physiological adaptations that modulate energy expenditure to meet ecological and evolutionary demands. Metabolic rate—the rate at which organisms convert ...

One of the largest scorpions in the world, the dictator scorpion relies on powerful claws and faces threats from habitat loss ...

Hundreds of millions of years ago, animals crawled out of the oceans for the first time and ventured onto dry land. The rest ...

In front of us was a dinosaur skeleton the size of a large dog. It was obviously a dinosaur, as it had the reinforced pelvis, with extra connections between the backbone and hips, that all dinosaurs ...

While skin bone plates are well studied in crocodylians (shown here in a gharial, in purple), their presence in lizards and ...

In 2019, two Harvard researchers visiting the Natural History Museum of Utah pulled open a drawer of confiscated Cambrian ...