The earliest forms of animal life on our planet continue to fascinate scientists, who are seeking to unravel the mystery of their origins. A team of geochemists from MIT recently provided new clues by ...

Our blue planet is home to countless creatures, some well-known, others still shrouded in mystery. From tiny tardigrades to massive blue whales, the diversity of life today reflects billions of years ...

Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in existence were soft-bodied and microscopic, leaving behind very little evidence ...

Scientists revisiting mysterious 540-million-year-old microfossils from Brazil have overturned a major idea about early ...

WASHINGTON (AP) — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures ...