If you trace the animal family tree back through the fossil record, the trail usually goes cold about 539 million years ago. Before this boundary—the start of the famous Cambrian explosion—multicelled ...

These are just some of the millions of marvels that the Smithsonian Institution has stashed away in storage. Most are part of ...

Beach worms live just beneath the sand, popping out when looking for a meal! Read here to learn more about these strange ...

Most polychaete species spend their lives in burrows in the seabed. However, adult individuals of two species, Alitta ...

This article contains spoilers for the Alien: Earth Season 1 finale. Who are the real monsters on Alien: Earth? That’s literally the title of the final episode of Season 1, “The Real Monsters,” but it ...

Science is supposed to help us see the world more clearly but sometimes, it just reveals how strange it really is. A grain of ...