Tracks left by some of the earliest complex animals are giving new insights into how they experienced the world. New research ...

Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in existence were soft-bodied and microscopic, leaving behind very little evidence ...

Earth is home to millions of animal species today, from tiny insects and marine worms to giant whales. For many years, scientists have been trying to unravel the mystery of how animal life originated ...

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million years old are rare molecular “fingerprints ...

From butterflies to blue whales, corals and worms, Earth is home to an incredible diversity of animals. How all of these animals evolved from earlier, simpler ancestors is one of the most exciting ...