In a paper published in the journal PeerJ, paleontologists present bite force estimates for a juvenile Tyrannosaurus rex based on mechanical tests designed...
Animals display a variety of gaits and walking speeds. It is commonly assumed that they minimize locomotor energy expenditure by selecting gait kinematics...
Paleontologists estimate that the abundance of one of the best-known dinosaurs, Tyrannosaurus rex, at any one time was about 20,000 individuals, that the...
Non-avian theropod dinosaurs like Tyrannosaurus rex relied less on speed, more on energy-saving, according to a new study published in the journal PLoS...
In the early 2000s, the fossilized skeletons of two small tyrannosaurs were collected from the famous Hell Creek Formation of Carter County, Montana. Nicknamed...
Tyrannosaurus rex, a species of carnivorous dinosaur that lived about 68 million years ago, had an internal thermostat in its head, according to a study...
Two new species of predatory megaraptoran dinosaurs have been identified from fossils found in Thailand.
Phuwiangvenator yaemniyomi (left) and Vayuraptor...
A new species of predatory tyrannosauroid dinosaur that lived about 92 million years ago (Cretaceous period) has been identified from fossils found in...
Paleontologists have unveiled a remarkable new species of tyrannosauroid dinosaur from the Cretaceous period: a small relative of Tyrannosaurus rex. The...
A new dinosaur cousin of T. rex – named Timurlengia euotica — has been found in the Kyzylkum Desert, northern Uzbekistan.
A reconstruction of Timurlengia...
Using digital models and computer analyses, a paleontologist at the University of Bristol, UK, has studied the muscle strain during jaw opening of three...
A distinctive pattern of tooth marks on a 66-million-year-old tyrannosaur bone found in eastern Wyoming offers one of the best evidences yet that tyrannosaurid...
