Sponges are among earth’s most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic ...

Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic information from living sponges, as well as chemical signals from ancient rocks, ...

Marine biologists sampling coral reef waters multiple times a day have shown how they shape surrounding marine life.

A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...