Merms live in small groups, typically in the deepest reaches of the western oceans. They seem closely related to a potential aquatic fork of human evolution, but scientists haven't yet developed a way to communicate with them.

The mountain widow is a spider that lives in the snowy mountains of the world. It is well adapted to the climate, as it burrows into the snow and stays underground until it is disturbed by the vibrations of footsteps. While underground, mountain w...

Henevaspiders are small creatures about the size of a schoolbus that are found in the mountains. They have dozens of long, thin legs, which have a sticky fluid on the underside of them, allowing them to cling to even the most treacherous rocky sur...

Karkats are medium-sized creatures that spend most of their time on the ocean floor, though they will occasionally come to the surface for air. They have hollow bones and two long, nearly prehensile tails that help them to swim quickly. When they ...