The brilliant iridescent hues found in ammolite come from tiny air gaps in the fossils’ layers, a new study finds. By Alexa Robles-Gil Millions of years ago, squid-like creatures called ammonites swam ...
An 11-year-old rock hunter has uncovered an almost complete turtle shell dating to roughly 48 million years ago. That intact shell secured a rare glimpse into a vanished river world before weather ...