10 years ago on March 12th, scientists published a new scientific paper describing jaw material from the Prince Creek Formation in Alaska as a new genus of Tyrannosaurid dinosaur. The fossil material was originally thought to be from gorgosaurus. They named it Nanuqsaurus hoglundi meaning Polar Bear Lizard
The tyrannosaur was around 6 meters long and 990 kilograms
Strange that I didn't learn about it until 2023