As you know, July is National Dinosaur Month, and, to celebrate, we invited Ryan North of Dinosaur Comics to participate in a Cartoon-Off. Rules: Draw three dinosaur-themed single-panel cartoons in ...

For over a century, non-avian dinosaurs have been symbols of extinction. Our awe at their success, and our puzzlement at their ultimate demise, have made them perfect foils for our worries and fears.

Editor’s Note: Science has transformed our understanding of dinosaurs in the past two decades. Get caught up with what’s new in this five-part CNN series. One close glimpse of a modern bird, ...