If you imagine the earliest animals on Earth, you might picture something simple but sturdy. Maybe a sponge-like creature ...

A tiny sea creature may have cracked the code to eternal youth, and scientists just found the cells that could make it ...

Deep beneath Kentucky, scientists have uncovered something no one expected, perfectly preserved predators from an ancient sea hidden for over 300 million years.

Some mythical creatures may have started with real animals that looked too strange to explain. This video explores three real-life species whose biology, behavior, or appearance likely inspired ...