This ancestor of bears was the size of a raccoon with the claws of a cat and really bad teeth. It’s taken paleontologists decades to untangle its identity on.natgeo.com/43Jjrl7

Humans and fish look remarkably similar around four weeks. So how does a baby go from breathing underwater to taking its first gasp of air when it’s born? on.natgeo.com/3oNbk80

The Department of Homeland Security is building a brand-new wildlife trafficking investigations unit—financed with a $7.5 million appropriation that will support 14 investigators and analysts on....

We’ll never know what was written on the first Vindolanda tablet found in 1973. But since then, more than 1,800 similar tablets have been found, and they’re recognized as some of the world’s ...

In the 1930s, a group of adventurers stumbled upon the caves of Gilf Kebir in Egypt. What they found inside sparked a scientific sensation on.natgeo.com/3WJAmBH

The world’s coral reefs are suffering, and chemicals commonly found in sunscreen are part of the problem. Here’s how you can protect both your skin and coral reefs on.natgeo.com/3PaGpxx

An overlooked online trade for bracelets and rings made from the bowmouth guitarfish is increasing pressure on the critically endangered animal on.natgeo.com/3OTghXQ