For over a century, scientists have been captivated by the mystery of how mammals evolved from sprawling creatures resembling lizards to the graceful, upright walkers we see today. This fundamental ...

WASHINGTON (Reuters) - There is no doubt scientists had a lot of luck on their side in discovering a critter from the age of dinosaurs that rewrites our understanding of the history of early mammals.

"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 ...

On the geological timescale, humans’ stay on the planet earth amounts to little more than the blink of an eye. Before we emerged, earlier creatures enjoyed golden ages for more than twice as long as ...

A diverse array of mammal headgear is on display in the Museum’s Richard Gilder Center for Science, Education, and Innovation as part of the Louis V. Gerstner, Jr. Collections Core. From the small ...

Learn about the complicated the history of mammals and their disappearance. In 2003, a fossil belonging to a mammaliaform was discovered in an ancient lakebed in what's now China. It was an almost ...

An international team of paleontologists led by the American Museum of Natural History and the Chinese Academy of Sciences has discovered new sets of fossils from the Jurassic period that provide ...

New research suggests that land-based echidnas descended from semi-aquatic mammals. Gunjan Pandey CC BY-SA 4.0 via Wikimedia Commons Between backward-facing-feet, nipple-less milk secretion and ...

The collection of mammals under the care of the Smithsonian was begun in 1850 when Spencer F. Baird, the newly appointed Assistant Secretary, came to the Institution and brought his private collection ...

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 ...