Earth’s Earliest Animals May Have Thrived Too Easily to Evolve
Fossils from some of the oldest-known animals on Earth, dating from 574 million years ago (Ediacaran period), suggest…
Complex Colonial Life Was Already Thriving during Cambrian Explosion
Tiny colonial animals called bryozoans were long thought to have appeared tens of millions of years after the…
The first animals on Earth may have been sea sponges, study suggests | MIT News
A team of MIT geochemists has unearthed new evidence in very old rocks suggesting that some of the…