https://www.sciencenews.org/article/t-rex-ancestor-shows-how-fast-tyrannosaurs-became-giants
A newly found dinosaur called Moros intrepidus fills a hole in the evolutionary history of tyrannosaurs, helping narrow when the group sized up.
tinyrexancestorshowsfast
https://www.livescience.com/4149-tyrannosaurs-suffered-terrible-teens.html
Scientists suggest a midlife crisis killed off many of these beasts just as they entered their sexual prime.
terrible teenslive sciencetyrannosaurssuffered