The Antarctic sea, where glaciers drift across the surface. What kind of world lies 1,300 meters below the surface?

Although we think of blood as a bright red liquid contained in human veins, it has a wide variety of characteristics around ...

Sea cucumbers are the ocean's janitors, cleaning the seabed and recycling nutrients back into the water. But this humble marine invertebrate could also hold the key to stopping the spread of cancer.

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 ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Sea urchins have a body that is entirely made up of "head"—with a surprisingly complex central nervous system that ...

Starfish are some of the most recognisable animals in the world. But their simple appearance belies an evolutionary mystery - how did these animals evolve such an unusual shape? A new fossil discovery ...

A 500-million-year-old fossil from Morocco, discovered by Natural History Museum scientists, is offering extraordinary new insights into one of evolution's most puzzling transformations: how ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Marine biologist Dr. Dave Pawson has embarked on over 100 dives to the ocean floor to unravel the mysteries of elusive invertebrates like sea cucumbers and brittle stars Emma Saaty There are few ...

Where exactly is the head of a starfish? Zoologists, after being stumped for centuries, may finally have an answer. “It’s as if the sea star is completely missing a trunk, and is best described as ...