Despite the increasingly clear picture of the evolution of birds from theropod dinosaurs that has emerged, a few scientists are still unconvinced. No alternative hypothesis has been offered to ...

Birds are so common, even in the most paved ... transforming them from gliders to true powered fliers. In short, the evolution of feathers would have happened along with the evolution of flight.

New fossil evidence has pushed back a key step in the evolution of bird flight by millions of years. Skeletal changes that helped birds take to the air happened 120 million years ago, during the ...

The fossil of a tiny bird that lived 62 million years ago confirms that birds evolved very rapidly after the asteroid strike that wiped out the dinosaurs. The sparrow-sized tree-dweller lived ...

You can map all of those things out and that can tell you the narrative of how evolution took a dinosaur and turned it into a bird.” “We can also calibrate that tree to time,” explains the ...