Add Yahoo as a preferred source to see more of our stories on Google. Even though scientists like me weren’t around to see for ourselves what was happening on Earth so long ago, we use geologic clues ...

The alternative text for this image may have been generated using AI. The mouth is not clearly visible, but a ventral recessed area immediately behind the anterior lobe may indicate the position of ...

Fossils offer a glimpse into Earth's ancient life, revealing the origins and evolution of complex organisms. Discoveries like Dickinsonia and Kimberella showcase early animal forms from the Ediacaran ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. How do you figure out how long ago fish were ...