Earth’s first sponges may have been ghostly, soft-bodied pioneers—ancient animals that evolved long before their skeletons ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...

These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

New research broadens our understanding of how gray wolves interact with and influence aquatic habitats. On Prince of Wales Island, Alaska, gray wolves have been observed engaging in an unusual ...

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

A list of animated cartoon series that kids who are obsessed with animals can watch to learn about ecosystems, animals and ...

As temperatures drop below freezing across New England, an unlikely animal is also in need of a little warmth this winter. Mystic Aquarium said it recently received more than a dozen cold-stunned sea ...

For all of humanity’s ventures to outer space, we’ve yet to see 99.999% of the deep-sea floor. In the latest subaquatic news, researchers discovered some 4,000 marine species, 88% of which were new ...

It used to be thought that sea urchins only had a primitive nervous system, but new research has found that they are far more complex than that. The entire body of a sea urchin is what researchers are ...

The brilliant iridescent hues found in ammolite come from tiny air gaps in the fossils’ layers, a new study finds. By Alexa Robles-Gil Millions of years ago, squid-like creatures called ammonites swam ...

Sea urchins have a body that is entirely made up of "head"—with a surprisingly complex central nervous system that functions, in essence, like an "all-body brain." This is the conclusion of an ...