Add Yahoo as a preferred source to see more of our stories on Google. In most animal species, males and females differ. This is true for people and other mammals, as well as many species of birds, ...

Paleontologists have long wrestled with how to differentiate between male and female dinosaurs based on their fossils. But new research may bring scientists closer to identifying the sex of one group ...

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 ...

How can researchers tell if male and female dinosaurs, like the stegosaur, were different? Susannah Maidment et al. & Natural History Museum, London, CC BY In most animal species, males and females ...

Evan Thomas Saitta does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...