More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ...

Scans of the most well-preserved fossil of a prehistoric flying reptile with intact feathers have revealed how the first birds managed to fly while their non-bird dinosaur cousins could not. The ...

A new study led by a researcher from the School of Zoology and the Steinhardt Museum of Natural History at Tel Aviv University examined dinosaur fossils preserved with their feathers and found that ...

A paper published last year in the Journal of the Royal Society Interface described a feather as a masterpiece of engineering, one comprising nine orders of magnitude, from the nanoscale to the meter ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...