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…
A Giant Magnetic Anomaly Over 500 Million Years Ago Can Finally Be Explained
Magnetic signatures hidden inside rocks tell us a lot about Earth’s magnetic field and the way continents and…
Ancestors of Modern Demosponges Were Earth’s First Animals: Study
Scientists from MIT and elsewhere have identified chemical fossils that may have been left by ancient sponges in…
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…