Earth’s history is filled with incredible milestones, and the emergence of the first animals is one of the most captivating. Scientists have long been intrigued by how and when life began on our ...

Paleontologists have discovered remarkable fossils in the Grand Canyon that reveal fresh details about the emergence of complex life half a billion years ago. The newfound remains of fauna from the ...

MIT geochemists offer compelling evidence that ancient sea sponges were Earth's first animals, emerging over 541 million years ago. By analysing chemical fossils in rocks, researchers identified ...

What were the first animals to appear on Earth? New research points to a surprising candidate: sea sponges. A team of ...

In a quiet part of what is now South Australia, more than half a billion years ago, life was locked in battle. The ocean floor teemed with small shelled creatures trying to stay alive as newly evolved ...

Paleontologists have discovered a three-eyed creature with a pencil sharpener-like mouth that roamed the sea for prey more than 500 million years ago. The fossilized remains of one Mosura fentoni — ...

The Grand Canyon is known as a world-renowned tourist destination for its breathtaking vistas and outdoor adventures. But within the striated canyon walls, a hidden world of microscopic marvels ...