Paleontology
- Paleontology
Digging the Scene: Dinos burrowed, built dens
Dinosaurs remains fossilized within an ancient burrow are the first indisputable evidence that some dinosaurs maintained an underground lifestyle.
By Sid Perkins - Paleontology
Fossil mystery solved?
Experiments in a Florida swamp show how aquatic creatures can get trapped and preserved in amber, a form of hardened tree sap.
By Sid Perkins - Paleontology
Just a quick bite
Saber-toothed cats living in North America around 10,000 years ago had a much weaker bite than modern big cats.
- Paleontology
Unexpected Archive: Mammoth hair yields ancient DNA
Hair from ancient mammoths contains enough genetic material to permit reconstruction of parts of the animal's genome.
By Sid Perkins - Paleontology
Bumpy Bones: Fossil hints that dinosaur had feathery forearms
A series of knobs on the forearm bone of a 1.5-meter-long velociraptor provides the first direct evidence of substantial feathers on a dinosaur of that size.
By Sid Perkins - Paleontology
Dinosaurs’ gradual rise to dominance
Early dinosaurs didn't quickly eclipse the creatures they evolved from, but lived alongside them for perhaps 20 million years.
By Sid Perkins - Paleontology
Jurassic CSI: Fossils indicate central nervous system damage
Fossils found in the head-thrown-back position, the so-called "dead bird" pose, probably died from central nervous system damage.
- Paleontology
Winged dragon
A quarry on the Virginia–North Carolina border has yielded fossils of an unusual gliding reptile that lived in the region about 220 million years ago.
By Sid Perkins - Paleontology
Big and Birdlike: Chinese dinosaur was 3.5 meters tall
Paleontologists have unearthed the remains of a gigantic birdlike dinosaur, 3.5 meters tall, that lived 70 million years ago in what is now China.
By Sid Perkins - Paleontology
Forest Primeval: The oldest known trees finally gain a crown
Recently unearthed fossils provide new insights about the appearance of the world's oldest known trees, plants that previously were known only from preserved stumps.
By Sid Perkins - Paleontology
Ancient Extract: T. rex fossil yields recognizable protein
New analyses of a Tyrannosaurus rex leg bone reveal substantial remnants of proteins that strengthen the link between modern birds and dinosaurs.
By Sid Perkins - Paleontology
Birds’ ancestors had small genomes too
Among mammals, reptiles, and related animals, today's birds have the smallest genomes, and the dinosaurs that gave rise to birds had small genomes as well.
By Sid Perkins