Discover interesting facts about insects, the critters whose combined weight on the planet is 70 times that of all humans.

Open wide! The gaping gob of a pelican eel can expand into a voluminous sac for trapping elusive prey in the dark ocean depths.

A new study has provided fresh insights into how animals such as the woolly mammoth, musk ox and arctic fox evolved to ...

A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.

Think humans are the smartest animals? Not so fast. Are we really the smartest species? Humans take a lot of pride in our ...

Somatic hypermutation (SHM) of immunoglobulin variable (V) regions modulates antibody-antigen affinity is initiated by activation-induced cytidine deaminase (AID) on single-stranded DNA (ssDNA).

These lucky creatures seem to have found the fountain of youth Animals that live (seemingly) forever The Fountain of Youth ...

Scientists have uncovered the genetic underpinnings of one of the ocean's most bizarre animals: a branching marine worm named ...