Mammals may have flown before birds
630294
A new fossil discovery from China shows that a tiny squirrel-like creature glided through the air during the age of dinosaurs, more than 75 million years earlier than scientists had documented that ability in a mammal.
727990
Biologists have fought long and sometimes bitterly about how birds evolved -- but a new study published on Thursday suggests that their intellectual battle may have been all in vain.
434256
A bird species new to science has been found by researchers on a remote island in the northern Philippines.
191426
New research suggest that the platypus diverged from its closest relatives much earlier than previously thought.
52830
Bird sleep is so mysterious that scientists are considering several answers, all intriguing.
190299
MANILA, Philippines - Filipino and British wildlife researchers say they&#39;ve stumbled upon what appears to be a new species of flightless bird found only on the tiny forested island of Calayan in the northern ...
354232
A fossil found in Wyoming has apparently resolved a long-standing question about when bats gained their radar-like ability to navigate and locate airborne insects at night. The answer: after they started flying.
430811
LONDON - The earliest known relative of the mighty Tyrannosaurus rex had primitive feathers, probably to help it keep warm. Researchers at the Chinese Academy of Sciences in Beijing found the remains of the
17578
U.S. scientists have found traces of limbs in the development of primitive ray-finned fishes.  That discovery contradicts the belief that tetrapods -- land-living vertebrates -- have been evolutionary innovations unique to that group.
475971
One of Earth's rarest birds might have gone into extinction following the death of one of the last known po'ouli.
419185
The remains of a giant, birdlike dinosaur as tall as the formidable tyrannosaur have been found in China, a surprising discovery that indicates a more complicated evolutionary process for birds than originally thought
60632
If walking upright first set early human ancestors apart from their ape cousins, it may have been their eventual ability to run long distances with a springing step over the African savanna
380875
The ascent of the dinosaurs to the  throne of the animal kingdom may have been more gradual than  previously believed, scientists said on Thursday.
358256
Chinese palaeontologists say they have found feathers on the fossilised legs of a primitive bird, which back controversial theories that birds descended from four-limbed dinosaurs.
217893
The largest bird known to have taken to the skies would have been a remarkable glider, scientists say.
187685
The feathered creatures winging across North America have an obvious gift that land-bound humans lack, but their survival is threatened by earthly concerns.
100859
Dog-walking could be having a dramatic impact on local bird life, a study suggests.