The whole-body endothermy seen in modern birds and mammals is long held to have evolved independently in each group, a reasonable assumption when it was...
Using cutting-edge techniques, paleontologists have produced the first complete 3D skull reconstruction of a primitive tetrapod called Whatcheeria deltae.
Digital...
Flowering plants (angiosperms) are the most diverse of all land plants, becoming abundant in the Cretaceous period (145 to 66 million years ago) and achieving...
Paleontologists have examined the fossilized remains of a previously unknown species of eurypterid (sea scorpion) and found direct evidence that these...
Multiple supernova explosions about 65 light-years away may have contributed to the ozone depletion and several subsequent extinction events at the Devonian-Carboniferous...
A team of U.S. paleontologists has redescribed the morphology of a long-snouted ray-finned fish called Tanyrhinichthys mcallisteri and created a more complete...
A Carboniferous-period fossil found in Nova Scotia, Canada, shows an ancient creature called a varanopid synapsid (family Varanopidae) caring for its young.
An...
Paleontologists have discovered an ancient tetrapod (land vertebrate) trackway in North Yorkshire, England, dating back to the Carboniferous period. Made...
A previously unrecognized mode of fossilization of ancient microbes may explain how some of Earth’s oldest microfossils formed, according to new research.
Rasmussen...
Platelets are tiny blood cells that help our bodies form clots to stop bleeding. They are found in all mammals but no other group of animals. According...
Geologists have discovered a set of 28 footprints left behind by an ancient reptile approximately 310 million years ago in what is now Grand Canyon National...
A team of paleontologists led by Oxford University researcher Prof. Liam Dolan has discovered the oldest known population of plant root stem cells in a...
A team of paleontologists from the United States has determined that Tullimonstrum gregarium (popularly known as the Tully monster) — a large soft-bodied...
According to a team of paleontologists from the United Kingdom and Japan led by Dr Haruyoshi Maeda of Kyushu University Museum, color vision evolved in...
Paleontologist Dean Lomax of the University of Manchester’s School of Earth, Atmospheric and Environmental Sciences and his colleagues from the United...
Eocasea martini, a carnivorous animal that lived in what is today Kansas during Carboniferous period, about 300 million years ago, is the oldest known...
Paleontologists from the American Museum of Natural History have described a shark species that lived during Carboniferous period, about 325 million years...
A 305-million-year-old fossil found in eastern France reveals that primitive harvestmen had two sets of eyes rather than one.
Reconstruction of Hastocularis...
According to paleontologists from the University of Chicago and the University of Michigan, long-extinct Bandringa sharks migrated downstream from freshwater...
Scientists at the University of California in Santa Cruz have found why insects got smaller despite rising oxygen levels about 150 million years ago.
This...