When it comes to the stegosaurus, it might be very easy to tell the ladies from the gents. A new study of the dinosaurs’ ridges of fierce plates shows that males and females sported very different ...

In most animal species, males and females differ. This is true for people and other mammals, as well as many species of birds, fish and reptiles. But what about dinosaurs? In 2015, I proposed that ...

When Chicago’s Field Museum purchased the Tyrannosaurus rex “Sue” in 1997, the famous and legally-troubled dinosaur was thought to be a female. The key clue was a missing bone. Like other dinosaurs, T ...

Female dinosaurs can be identified by traumatic bone injuries in tailbones, according to research conducted at Queen's University in Belfast. Determining whether a dinosaur is male or female has long ...