The setting of J. R. R. Tolkien's The Lord of the Rings and The Hobbit was ancient, but did it have a prehistoric period like ...

A Chicago fossil of Archaeopteryx uncovers unknown features, supporting theories of bird evolution from dinosaurs and highlighting its unique flight adaptations.

Ornithopters, aircraft that fly by flapping their wings like birds, have long been a staple of science fiction, most famously in Dune. But what if one actually existed? In the 1930s, French engineer ...