Smithsonian Magazine

How Smithsonian Science Is Helping the Scimitar-Horned Oryx Recover — and Thrive

Once pushed to the brink of extinction, the oryx is turning into one of conservation's most impressive success stories due in ...

Before Kingston arises, scientists capture a last look at wild CREW

As Kingston takes shape nearby, a long-running CREW research survey documents the reptiles and amphibians that remain and those that are fading away ...

In Argentina, one fossil bone from a 236-million-year-old cynodont contained a rare clue about birth. Researchers found its newborn size resembled mammals, suggesti…

New fossil evidence challenges the long-held belief that ancient cynodonts laid eggs. A recent study found compelling proof ...
Smithsonian Magazine

When Did Animals Start Giving Birth to Live Young? This 236-Million-Year-Old Fossil Might Rewrite Mammals’ Evolutionary History

A bone feature found in a mammal ancestor hints that the creature was relatively large as a newborn, more in line with the ...

Scientists found a mysterious mark inside a 236-million-year-old fossil in Argentina that may reveal ancient mammal relatives gave birth instead of laying eggs

A 236-million-year-old fossil from Argentina may have provided the earliest evidence yet that an animal on the evolutionary ...