Did Earth’s major diversification event really happen in one sudden explosion? Our fossil discovery suggests not.

This episode is brought to you by the Music for Scientists album! The cell nucleus is crucial to multicellular life, so you ...

Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in ...

A new study debunks previous claims that ancient embryo-like fossils from China are remnants of early animal life, revealing ...

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...

Deep beneath a Canadian mine, researchers cracked open a fracture in the ancient rock and found water that should not exist ...

Some of the most ancient fossils collected to date were traced back to the Ediacaran period. This is the time interval ranging from around 635 to 541 million years ago, shortly before the time when ...

Every multicellular organism, from tiny worms to humans, elephants, and whales, needs a way for their cells to connect with each other to form tissues, organs, and organize their overall body plan.

In 1897 Russian physiologist Ivan Pavlov proved that animals can be trained using associative learning—now, the same might be ...