A robot dinosaur is helping scientists peer into our prehistoric past to learn why some dinosaurs evolved feathered wings before they could fly. But one expert is skeptical that this robot can reveal ...

Feathers may have evolved on dinosaurs to frighten and flush out prey before they were used for flight, say researchers who built a winged robot and used it to scare grasshoppers. Pennaceous feathers, ...

All the best science fiction has giant robots in it. That's just wisdom. All the best science fiction has spaceships. Has ray guns and maybe dinosaurs, too. Has a sense of clutching wonder that takes ...