A recent study by Keifeng Yu and his colleagues, published in Acta Geologica Sinica, describes the discovery and ...

Dinosaurs weren't in decline when an asteroid smashed into Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million ...

such as Triceratops), Hadrosauridae (duck-billed herbivores), and Tyrannosauridae (carnivores, such as Tyrannosaurus Rex). By looking at the geology, geography and climate of the time, the ...

A new study challenges the belief that dinosaurs were declining before the asteroid impact that ended their reign. Analysing 18 million years of fossil data, researchers argue that apparent drops ...

rex - and may have sat outside the family Tyrannosauridae, which T. rex is part of, in its own family of predatory dinosaurs. The new study is the latest in a series of publications on the problem ...

There are many more tyrant lizards in the family of Tyrannosauridae than just T. rex, but the group generally shared familiar characteristics: they were large, bipedal apex predators of their time ...

Utah is a landlocked state located in the western part of the United States. It is one of the few states entirely surrounded by other states. In fact, it shares a border with five states. To the east, ...

In 2020, a graduate student described a new species of Thanatotheristes, a group of dinosaurs within the Tyrannosauridae family. He realized fossils found in 2010 weren’t correctly identified.