Live Science on MSN2d
A 70 Million-Year-Old Dinosaur That Never Hatched
A dinosaur egg laid 70 million years ago holds the remains of an "exquisite" embryo that shows how dinosaurs positioned themselves before hatching.
Green Matters on MSN11d
Did the Chicken or the Egg Come First? Scientists May Have Finally Solved the Mystery
Some researchers examined prehistoric fossils and some tweaked the question a little bit, but everyone came upon the same ...
Smithsonian Magazine16d
Everything You Want to Know About Dinosaur Sexual Anatomy and Reproduction, From Their Genitalia to How They Laid Eggs
While female birds have only one oviduct—thought to be an adaptation related to becoming light enough to fly—the presence of two eggs in the dinosaur suggested the presence of two oviducts ...