Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. With appendages growing out of its head ...

A new hypothesis concerning the evolutionary origin of pentameral symmetry in echinoderms is presented. The BA-A-BA pattern of Loven's law in echinoids and the 2-1-2 symmetry of the edrioasteroid ...

This is a preview. Log in through your library . Abstract The Bromeliaceae were surveyed for petal appendage morphology using light and scanning electron microscopy. Three general morphological types ...

Scientists found parallels between the neural circuitry that guides locomotion in sea slugs and in more complex animals like mammals. Hundreds of millions of years before the evolution of animals with ...

Scientists caught a “transparent” sea creature with horn-like appendages off of Mexico and discovered a new species, a study said. Getty Images Off the western coast of Mexico, a “transparent” sea ...

The most ancient kinds of microbes on Earth often have special filaments lining their surfaces. Scientists are discovering that these structures can play a variety of roles in helping microorganisms ...

When Habelia optata first skittered into public consciousness more than a century ago, scientists didn't know what to make of it. The long-extinct sea predator, which flourished during the middle ...

Due to a variety of recent innovations in bio-mechanical technology, prosthetic limbs are becoming more functional, better connected to the human body, and, attitude-wise, a lot more Furiosa. But most ...