Ancient mini-sharks lived longer than thought
A line of mini-sharks thought to have perished in Earth's "Great Dying" event some 250 million years ago, in fact lived another 120 million years, said researchers Tuesday who found samples of their miniscule ...
Shortening tails gave early birds a leg up
A radical shortening of their bony tails over 100 million years ago enabled the earliest birds to develop versatile legs that gave them an evolutionary edge, a new study shows.
Fish was on the menu for early flying dinosaur Microraptor
University of Alberta-led research reveals that Microraptor, a small flying dinosaur was a complete hunter, able to swoop down and pickup fish as well as its previously known prey of birds and tree dwelling ...
Early birds had four wings, not two, study reports
Some primitive birds boasted four wings, before evolution led them to ditch their hind feathers in favor of webbed or scaly feet, scientists in China said on Thursday.
New dinosaur fossil challenges bird evolution theory
(Phys.org)—The discovery of a new bird-like dinosaur from the Jurassic period challenges widely accepted theories on the origin of flight.