WASHINGTON (Reuters) - Scientists have answered a longstanding question about mammalian evolution, examining ear anatomy of living and extinct mammals and their close relatives to determine when ...

3D models of the jaw and associated middle ear bones of the Triassic mammal ancestor "Thrinaxodon" show that the switch to mammal-like hearing with an eardrum evolved much earlier than previously ...

Around 100 million years ago, a remarkable evolutionary shift allowed placental mammals to diversify and conquer many cold regions of our planet. New research shows that the typical mammalian heater ...

From reptile-like ancestors to humans, the new book The Rise and Reign of the Mammals tackles the diversity of mammals like us. The following is an excerpt from The Rise and Reign of Mammals: A New ...

The feeding habits of mammals haven't always been what they are today, particularly for omnivores. Some groups of mammals almost exclusively eat meat--take lions and tigers and other big cats as ...

Paleontologist Richard Cifelli, curator of the vertebrate paleontology department at the Sam Noble Oklahoma Museum of Natural History, will present a free public lecture 7 p.m. March 27 titled “The ...

Explore mammals’ surprising origins, long before the age of dinosaurs. The surprising story of mammal evolution begins long before the age of dinosaurs. Witness how some of our prehistoric mammal ...

"The selection of species to include in this book was based on two principles: 1. Those that in recent times had a viable, naturally occurring wild population in Canada, its continental islands, or in ...

Two fossil teeth from a distant relative of North American gophers have scientists rethinking how some mammals reached the Caribbean Islands. The teeth, excavated in northwest Puerto Rico, belong to a ...

New research describes a fossil family that illuminates the origin of perissodactyls - the group of mammals that includes horses, rhinos, and tapirs. It provides insights on the controversial question ...

You are looking at one of the most important sensory shifts in mammal history: the rise of sensitive hearing. Modern mammals rely on a middle ear with an eardrum and tiny bones that detect faint ...