Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million years old are rare molecular “fingerprints ...

In a discovery that reshapes our understanding of life’s origins, researchers at the Massachusetts Institute of Technology (MIT) have found new evidence suggesting that the first animals on Earth were ...

A newly identified sponge order, Vilesida, produces sterols linked to the oldest-known animal biomarkers, supporting the idea ...

The study, which was published in Proceedings of the National Academy of Sciences (PNAS), sheds new light on one of science’s most enduring questions: what did the first animals on Earth truly look ...

Sponges may be ancient, but their timeline has been murky. New research suggests the earliest sponges were soft and skeleton-free, explaining why their fossils don’t appear until much later. By ...

Researchers from the Canadian Museum of Nature (CMN) have identified a new species of rhino that once roamed Canada's High Arctic 23 million years ago. The extinct rhinoceros, described in the journal ...

Platypuses are weird looking. They look like someone stitched together a duck and a beaver—flat bill, webbed feet, and a ...