A group of researchers has estimated how long it took tyrannosaurus rex to reach its full size — and the time period is significantly longer than scientists previously believed. The dinosaur is ...

Scientists found preserved blood vessel structures in a T. rex fossil, offering new insight into dinosaur healing and fossilization.

Prefer Newsweek on Google to see more of our trusted coverage when you search. The characteristic small arms of the T. rex might have been used to help them in the throes of passion. Scientists in ...

For three decades, the Tyrannosaurus rex has lived in the public imagination as a flat-footed thunder lizard, each step ...

Medically attending to carnivorous dinosaurs is a task a surprising number of Jurassic Park characters have found themselves taking on, and Owen Grady (Chris Pratt) and Claire Temple (Bryce Dallas ...

There are several cat breeds with the term "rex" in the name. This refers to their coats, which are crimped or curly, unlike most other cat breeds, which have straight fur. The texture of this hair is ...