An Archaeopteryx fossil, complete with visible imprints of its feathers. Credit: Shutterstock Not all birds can fly. Penguins, ostriches, and kiwis are some famous examples. It’s pretty easy to figure ...

More information: Kiat, Yosef et al, Functional constraints on the number and shape of flight feathers, Proceedings of the National Academy of Sciences (2024). DOI: 10.1073/pnas.2306639121 ...

Experts have to draw out what clues they can from feathers, bones, the universal mechanics of flight, and how birds today manage to get into the air and stay there.

From Simple Beginnings to Complex Designs Today’s bird feathers are engineering marvels. Birds have fluffy down feathers for warmth and sleek flight feathers for soaring through the air.

Mirasaura grauvogeli had a featherlike crest and a tail like a monkey. “It's been a long time since I've been so blown away ...

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 ...

SIOUX FALLS, S.D. (KELO) — A Dakota State University made a recent discovery as part of a research team — courtesy of a little feathered dinosaur more than 100-million-years old.

A bizarre reptile once scurried through the Triassic treetops with an extravagant crest on its back, one made from neither ...

Across over 10,000 bird species, in forms as small as the bristles on a hummingbird’s forehead and as large as condor flight feathers, every feather in the world is made of this one substance.