Of all the ancient peoples that have been studied by scientists, none has set puzzles quite so profound as those left behind by the Denisovans. Only a few tiny pieces of bone and teeth have ever been found of this long extinct species – fragmentary...
Birds had to rediscover flight after the meteor strike that killed off the dinosaurs, scientists say. The cataclysm 66m years ago not only wiped out Tyrannosaurus rex and ground-dwelling dinosaur species, but also flying birds, a detailed survey of...
Archaeopteryx, one of life on Earth’s first stabs at building a bird, evaded predators and cleared obstacles on the ground by bursting into flight like a startled pheasant, a new analysis suggests. High-resolution x-ray images of the creature’s skel...