A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex. Subscribe to our newsletter for the latest sci-tech news updates.

Add Yahoo as a preferred source to see more of our stories on Google. For decades, paleontologists have debated whether Tyrannosaurus rex was the sole apex predator of the end-Cretaceous. According to ...

Each of the dinosaurs in the "Jurassic Park" franchise is ferocious in their own way, but the ones on this list are the ...

T rexes grew much more slowly than previously thought, taking several decades to reach their full size of around eight tonnes, a comprehensive new fossil study revealed. Until now, researchers counted ...

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 ...

Millions of years ago, it was one of the most feared apex predators, and most popular in today’s pop culture. Tyrannosaurus rex translates to “tyrant lizard king” for a reason, dominating our view of ...

The largest-ever analysis of Tyrannosaurus rex fossils suggests the giant and fierce Cretaceous predator was a late bloomer, taking 35 to 40 years to reach maturity. Based on studies done two decades ...

Here in Pittsburgh, we hometowners love our traditions, and the Heinz History Center is full of those traditions we love so much. That's why it should come as no surprise that since the new Pittsburgh ...