The new species shows the dinosaurs got bigger a lot earlier than scientists originally thought. It also supports the theory that T. Rex originated in North America, not Asia. Scientists recently ...

The debate over Nanotyrannus’ identity is finally over. A remarkably preserved fossil proves it was a mature species, not a teenage T. rex. This discovery rewrites how scientists understand ...

Tyrannosaurus rex or T-rex has become one of the most popular dinosaurs in popular culture. Since Steven Spielberg's ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex. Known as the duelling dinosaurs, this fossil preserves an ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...