A newly described fossil from northern Australia reveals an 8 meter mega-shark that hunted in the age of dinosaurs, long before the famous Megalodon ever evolved. By pushing the origin of giant ...
For more than a century, the Cambrian explosion has served as biology’s big bang: the moment, roughly 538.8 million years ago, when complex animal body plans seemingly burst into the fossil record ...
For 25 years, a 300-million-year-old fossil from Illinois held an extraordinary distinction: the oldest octopus ever found, ...
Insects, the most diverse group of animals on Earth, trace their origins to the late Silurian or early Devonian, around 400 million years ago. Early lineages acquired powered flight and, later, ...