In the ’90s cartoon “Pinky and the Brain,” the titular Brain — a scheming lab mouse with an outsize noggin — fantasized about taking over the world. A study published Thursday in Science posits that ...

Rodents may have a rule of thumbnails. Many rodents have curved claws that help the animals climb or dig. But most also have flat nails on their thumbs, researchers report in the Sept. 4 Science. This ...

The humble rodent “thumb” may not seem like an obvious window into evolution, but its keratinized tip – the unguis (hoof, claw, or nail) – turns out to reveal striking insights into rodent history and ...

A newly discovered fossil from Mongolia reshapes how scientists understand early mammal evolution and ancient species ...

The discovery of new cynodont fossils from southern Brazil by a team of palaeontologists has led to a significant breakthrough in understanding the evolution of mammals. These fossils, belonging to ...

Mammals, including humans, stand out with their distinctively upright posture, a key trait that fueled their spectacular evolutionary success. Yet, the earliest known ancestors of modern mammals more ...

During a soccer match, the author took a ball to the groin and collapsed. In the midst of the excruciating pain, he wondered, 'Why is such an important organ in such an unprotected place?' Starting ...

Foot bones that are separate in small hopping rodents are fused in their larger cousins, and a team of researchers wanted to know why. Foot bones that are separate in small hopping rodents are fused ...