Paleontology
160 million years later: This rare fossil is overturning everything we knew about how birds evolved
Research on the Anchiornis specimen reveals hidden feather structures that contradict old theories on dinosaur flight. Scientists are now re-evaluating how and when animals first took to the skies.
'Medusa,' possible 'dinosaur mummy' discovered in Badlands, transferred for further research
Scientists discover RNA molecules from a mammoth that went extinct 40,000 years ago
Megalodon shark may have reached 80 feet, new study finds
New dino species discovery may explain why the T-Rex had tiny arms - study
The newly-discovered dino, the Meraxes gigas, was another predator that had a large skull and short arms like the Tyrannosaurus rex.
Hundreds of frogs died mid-sex in a swamp 45 million years ago - study
Irish paleontologists have uncovered why hundreds of fossil frogs were buried under an ancient swamp millions and millions of years ago.
Dinosaurs survived one extinction in chilly temperatures - study
Feathers and a high metabolism helped dinosaurs thrive while most other species died out, a new study shows.
Analysis of mastodon tusk reveals first evidence of seasonal migration
Using new isotopic and life-history analyses technology, scientists were able to reconstruct he landscape where the animal roamed during his adolescence and final years of his life.
Ancient giraffes had shorter necks and armored heads - study
New fossils found in northern China have revealed that ancient giraffes had a disk-shaped bone structure on their heads intended for head-butting opponents.
Squamates were present on Earth for longer than previously thought - study
Although the Squamata is the largest order of reptiles, made up of over 10,000 different species, their evolutionary origins are not yet well understood.
Perfectly preserved egg reveals what birds have inherited from dinosaurs
Birds are descended from a dinosaur species called Oviraptorosaurs.
Preserved dinosaur embryo sheds light on connection to modern birds
Scientists believe the embryo was fossilized in its egg after being buried by a mudslide that protected it from exposure to the elements and scavengers.
120-million-year-old bird may have used long tongue to catch food -study
B. macrohyoideus had curved bones for its tongue, suggesting that it had an elongated tongue that it used to retrieve food and move it around its mouth, like woodpeckers and hummingbirds.
Footprints in Spain show meat-eating dinosaurs were fast and furious
It roughly matches the top speed achieved by Jamaican sprinter Usain Bolt, the world's fastest human being.