H-4 gen H-4, personal single-seat helicopter. This aerial vehicle consists of only a seat and a chassis. Its main difference from conventional helicopters is that it has got 2 main coaxial rotors that ...

It’s been more than 160 years since Archaeopteryx first shook up science as the missing link—part reptile, part bird—and indicated that today’s pigeons and parakeets are the feathery descendants of ...

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(CNN) — When a fossil preserves an animal’s complete body in a death pose, seeing it is observing a snapshot in time. Several such fossils exist for Archaeopteryx — the earliest known bird — and now, ...

New research published this week clips the wings of Archaeopteryx. First found in Germany in the 1860's and dating to 150 million years ago, Archaeopteryx has long been considered the iconic first ...

The Chicago Archaeopteryx, seen under UV light, shows soft tissues alongside the skeleton. Delaney Drummond Archaeopteryx—a small, feathered dinosaur that lived around 150 million years ago—changed ...

Chicago’s Field Museum has unveiled an incredible new fossil that displays the evolutionary link between birds and dinosaurs, with Illinois’ governor calling it the “world’s most important fossil.” ...