The study suggests the genetic instructions modern animals use to build complex bodies were already being written in these ...

Geologists near Starkville found a bone of a Mosasaurus hoffmannii, one of the biggest species of mosasaurs, which could reach lengths of 50 feet.

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and the ability to birth live young ...

Sixty six million years ago, just off the coast of the Yucatan Peninsula in what is now the North East coast of modern Mexico ...

Earth was once ruled by giant reptiles. Tyrannosaurus rex, the king of tyrant lizards, crushed bones. Spinosaurus hunted in ...

Dinosaur extinction theories suggest populations were dwindling when an asteroid wiped them out. New research is challenging ...

Sea levels were around 450 feet higher than current ... The post The Mass Extinction Event That Led to the Rise in Dinosaurs ...

"Sightings of these prehistoric giants have been reported in the wetlands at Roger Williams Park Zoo," the zoo said in announcing the exhibit's return. "Have these ancient creatures taken up ...