About 66 million years ago, just before the mass extinction that wiped out the dinosaurs, a fish chewed up and spit out some sea creatures. Unbeknownst to that fish, its rejected meal was preserved in ...

The wavy lines and squiggles etched into a slab of limestone found near Fossil Butte National Monument are prehistoric fish trails, made by Notogoneus osculus as it fed along a lake bottom, says Emory ...

Scientists in China have identified 15-million-year-old freshwater fish fossils from the Qinghai-Tibet Plateau, revealing a warmer climate.

The strange life-forms lurking in Earth's deepest seas may seem primordial, as if they are as old as the oceans themselves. But the truth is that these fish and other animals took hundreds of millions ...

400-millon-year-old find gives insights into the evolution of jawed vertebrates, and the lack of evidence in transgender policy. A wealth of fossils discovered in southern China shed new light onto ...