The sudden appearance of complex animals has led scientists to argue that animals must have a “hidden history”, a period in ...

Scientists report fossil evidence of the first fully marine amphibian in a study from the University of California, Davis; ...

Mysterious 97-million-year-old magnetic fossils may be the oldest evidence of an animal using Earth’s magnetic field like a built-in GPS. Their sophisticated magnetic structure could have helped an ...

Animals may have evolved up to 200 million years earlier than the fossil record indicates, according to new research. The Oxford University-led study questions fundamental assumptions scientists have ...

Scientists have identified a new species of ancient, squid-like belemnite from Wyoming after discovering the thickest ...

Animals may have first appeared on Earth between 800 million and 700 million years ago, according to a study published October 2 in Science Advances. That timeline would put them 100 million to 200 ...

A diorama of some of the earliest animals on Earth. Image via Wiki Commons. An ancient fossil bed in Mongolia preserves tiny ...

Leo Youngdahl was hoping to find one of his favorite fossils when he turned over a rock at a Nebraska park. Instead, he ...

We often think of microbes as organisms that live around us, like the Salmonella bacteria and flu viruses that cause illness. But some of our most intimate relationships are with the microbes living ...

In 2017, researchers found tiny, fossilized filaments that, at the time, appeared to be trace fossils of worms or other small marine animals between 542 and 555 million years old. Their astounding age ...

New research suggests animals could have evolved as early as 800 to 700 million years ago, roughly 200 million years earlier than some previous estimates. If so, the first animals may have lived ...