A stunning fossil discovery in the Grand Canyon has opened a new window into one of the most fascinating chapters in Earth’s ...

Sometime before 520 million years ago, animal life began to flourish as never before. The small shells, worms and even sponge ...

Scientists at MIT have uncovered compelling evidence that ancient sea sponges were Earth's first animals. Chemical fossils ...

A team of scientists digging up some of the Earth’s oldest rocks has uncovered new chemical evidence that Earth’s first ...

Chemical fossils from 635-million-year-old rocks suggest sponges were among Earth’s first animals, reshaping the story of early life.

Earth is far from a static place. That's true in the present, but it's even more apparent when you look to the past, as Earth has changes quite a bit over time.

MIT geochemists offer compelling evidence that ancient sea sponges were Earth's first animals, emerging over 541 million ...

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