Fossilised remains of newly identified dinosaur species and mammal suggest they were both predator and quarry to each other.

The fossil of Huadanosaurus sinensis contained the remains of two mammals: a complete skeleton of a eutriconodont and fragments of a eutherian. "Huadanosaurus had robust jaws and powerful neck muscles ...

In northeastern China, paleontologists have uncovered two previously unknown species of feathered theropod dinosaurs dating ...

Over the past three years, researchers have set up 28 biodiversity monitoring stations including motion-activated trail cameras to capture images of large mammals and automated microphones that can ...

The Marine Mammal Center is getting crowded. Not only has the recent toxic algae bloom led to a sweeping surge in sick animals at the nonprofit rescue center in San Pedro, but it has also ...

And they're cute as hell." The large wolf species roamed the Americas for more than 100,000 years, before going extinct some 13,000 years ago. It was believed to have hunted large prey like ...

In the final era of the Cretaceous, giant reptiles were not the only ones navigating a changing planet. Tiny fossils suggest that many small mammals embraced ground-based living long before the ...

Throughout my career, I’ve had the extraordinary privilege of literally saving species—through food. As a specialist in comparative animal nutrition, I’ve spent decades working at the intersection of ...

The birth of these pups is not the return of an extinct species. Instead, it’s a demonstration of how far we’ve come in the toolkit of synthetic biology (a field that involves redesigning systems ...

This groundbreaking achievement marks the first de-extinction of a species, reviving the dire wolf after 12,500 years. The pups exhibit distinctive features of the extinct creature, opening doors ...

It is just not being a healthy, vibrant whale," said Giancarlo Rulli with the Marine Mammal Center. RELATED: More dead whales wash up in San Francisco Bay Fire crews spent hours spraying it down ...

This suggests that the structure and function of the neuroendocrine system have evolved differently in each species to meet their unique needs. In addition, a cross-species comparison of hypothalamic ...