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 ...

Dinosaurs Scientists uncover new secrets of rare feathered fossil showing early bird evolution Study using UV light and CT scans shows the 150 million-year-old specimen had specialized flight feathers ...

Archaeopteryx, believed for 150 years to have been the first bird, was probably only a feathered dinosaur that had great difficulty getting off the ground when it lived 150 million years ago ...

What appeared to be a bird feather was pressed into 150-million-year-old limestone. Von Meyer labeled it Archaeopteryx, meaning old wing, and a full skeleton was found shortly thereafter.

The museum acquired this Archaeopteryx specimen in 2022, and at the time, museum president and CEO Julian Siggers called it “the Field Museum’s most significant fossil acquisition since SUE ...

Archaeopteryx represents a pivotal point in the grand evolutionary journey linking dinosaurs to their avian descendants. But paleontologists still have questions about the Jurassic era animal’s ...

The question isn’t whether Archaeopteryx was feathered: Many of the 13 skeletons found over the years preserve feather imprints. Instead, the question is whether this iconic feather—which ...

The Field Museum’s iconic T. rex, Sue, may be a little jealous. There’s a new exhibit in town, Archaeopteryx, and it’s “perhaps the most important fossil ever discovered,” museum ...

Archaeopteryx specimens have, “maybe more than any other fossil, changed the way that we see the world,” said Jingmai O’Connor, a paleontologist at the Field Museum in Chicago.

Since Darwin's time, the feathered creature has been called the first bird, but a study of its 150-million-year-old fossils indicates it was far heavier and slower-maturing than modern birds.