The bright colors of the sponges have a meaning tied to their intended use. Here's a guide to sponge colors and when to use each type.

New research shows that the earliest sponges were soft bodied and lacked skeletons, explaining why their oldest fossils are ...

It’s impossible to ignore a new discovery known affectionately as the death ball. And there’s a good reason to pay attention ...

Picture a dolphin diving toward the seafloor with something odd on its nose. It is not a shell or a fish. It is a sea sponge.

If you had to rank the dirtiest things in your home, you’d probably start with the bathroom—the toilet, the plunger, or the hand towels you don’t wash as often as you should. But as it turns out, if ...