Scientists compared genomes from 154 animal species and found that land animals share genetic tricks for surviving outside ...

The fossil of an ancient sea squirt found in a collection at the Utah Museum of Natural History turned out to be the oldest of its kind. When you purchase through links on our site, we may earn an ...

An international team of researchers, including scientists from the Museum für Naturkunde Berlin, has uncovered a ...

The pointy shell of sea urchins hides a remarkably complex neural network that resembles the brains of vertebrates, new research suggests.

A groundbreaking new study has revealed that sea urchins, a fascinating sea creature, have a surprisingly complex nervous ...

Researchers found that the slime eel, or hagfish, known for deluging predators with mucus, tripled the size of its genome hundreds of millions of years ago. By Veronique Greenwood The hagfish, a ...

"This fundamentally changes how we think about the evolution of complex nervous systems," said biologist Jack Ullrich-Lüter.

All bilateral creatures have some asymmetry, such as the human heart being located slightly to the left and the liver being ...

In the deepest and coldest parts of the ocean, sea creatures — mainly invertebrates, or animals without backbones — can reach gargantuan proportions. Squids, sea spiders, worms and a variety of other ...