Paleontologists have identified certain dinosaurs as highly intelligent based on brain size and observed behaviors. These ...

In the Mesozoic Era, dinosaurs were the undisputed rulers of the land. The Argentinosaurus, possibly the largest dinosaur ...

The largest extinction events define a change in era. The end of the Paleozoic and beginning of the Mesozoic 251 million years ago marks the largest mass extinction in the history of the planet, which ...

By studying prehistoric rocks and fossils emerging from the side of Mount Ashibetsu in Japan, researchers have precisely ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a bout of violent volcanic eruptions, climate change, or perhaps a fatal run ...

My research investigates the structure and dynamics of ancient ecosystems--particularly those of the Mesozoic Era (about 65 to 250 million years ago). I am interested in how ancient communities of ...

Researchers, led by the University of Cambridge and the Natural History Museum of Los Angeles County, identified the fossil bird - which was roughly the size of a starling - from the Mesozoic Era ...

Check if you have access via personal or institutional login Sir Richard Owen (1804–92) produced a series of monographs on the fossil reptiles found in the Mesozoic and Tertiary rocks of the United ...

The earliest known ancestor of the modern mammal a creature vaguely resembling a dog has been discovered on the Spanish island of Mallorca The disc ...