Early animals formed complex ecological communities more than 550 million years ago, setting the evolutionary stage for the Cambrian explosion, according to a new study. Early animals formed complex ...

The Cambrian is rightly famous for being the period when animal life first exploded into a dizzying diversity of forms, including some body plans that remain with us today. But the first animals in ...

The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first appear in the fossil record. Subscribe to our newsletter for the latest ...

Earth’s been around for a long time. And during its tenure as a planet, has been slammed with a lot of cosmic objects; the largest of which left massive craters in their wake. In a new size comparison ...

Some of the first complex animals lived in a shallow sea near the mouth of a river delta about 518 million years ago. The changeable environment, which was prone to violent floods, may have helped ...

A stunning new discovery in the Grand Canyon is offering scientists an unprecedented glimpse into Earth’s earliest complex life. Exceptionally preserved Cambrian fossils, dating back over 500 million ...

If you were to condense the planet’s 4.5-billion-year history into a single calendar year, then sometime from the 18th to the 20th of November, as conventional wisdom would have it, the animal kingdom ...