Sponges may be ancient, but their timeline has been murky. New research suggests the earliest sponges were soft and ...

New research shows that the earliest sponges were soft bodied and lacked skeletons, explaining why their oldest fossils are ...

The earliest sponges to live on the earth were soft and skeletonless pioneers - rewriting the story of the origin of animal ...

The first animals with mineral skeletons changed the way sediments develop on Earth forever, according to new research. Sediments are often modified by the mineral-rich skeletons of living organisms.