Ancient DNA Reveals New Spot in the Tree of Life for Extinct “Horned” Crocodile
New ancient DNA-based study on Madagascar crocodile suggests that modern crocodiles likely originated in Africa. A study led by scientists at the American Museum of…
New ancient DNA-based study on Madagascar crocodile suggests that modern crocodiles likely originated in Africa. A study led by scientists at the American Museum of…
New research addresses longstanding mystery on the anatomy of the Tyrannosaurus rex jaw. Tyrannosaurus rex dinosaurs chomped through bone by keeping a joint in their…
Fluffy rodents twice the size of a gray squirrel survived for tens of thousands of years, and then abruptly disappeared a few thousand years ago…
Humans and animals have a preferred walking speed. This is, in part, influenced by the amount of energy required: they prefer to walk at the…
Over their entire late-Cretaceous reign, the total number of Tyrannosaurus rex that ever lived on Earth was roughly 2.5 billion individuals, according to a new…
Tarantulas are among the most notorious spiders, due in part to their size, vibrant colors, and prevalence throughout the world. But one thing most people…
A research study sheds new light upon an ongoing debate among conservation biologists: whether we should conserve sets of endangered species, or whether we should…
A single footprint left by a cat-sized dinosaur around 100 million years ago has been discovered in China by an international team of paleontologists. University…
Graduate Center, CUNY researchers uncover evidence suggesting that volcanic carbon emissions were not a major driver of the Earth’s most recent extinction event. Earth has…
Analysis of what’s known about the dinosaur leads to conclusion there were 2.5 billion over time. How many Tyrannosaurus rexes roamed North America during the…
Ancient clues, in the shape of fossils and archaeological evidence of varying quality scattered across Australia, have formed the basis of several hypotheses about the…
Little is known about azhdarchid pterosaurs, gigantic flying reptiles with impressive wingspans of up to 12 meters. Cousins of dinosaurs and the largest animals ever…
A new 160-million-year-old arboreal pterosaur species, dubbed ‘Monkeydactyl’, has the oldest true opposed thumb — a novel structure previously not known in pterosaurs. An international…
Researchers use 3-D-printed models to explore fractal-like interior shell patterns. Ammonoids, ancestors of today’s octopus, squid, and cuttlefish, bobbed and jetted their way through the…
Gray wolves are among the largest predators to have survived the extinction at the end of the last ice age around 11,700 years ago. Today,…
An amber fossil of a Cretaceous beetle has shed some light on the diet of one of the earliest pollinators of flowering plants. The animal’s…
120-million-year-old animals evolved “scratch-digging” traits independently. Paleontologists have discovered two new species of mammal-like, burrowing animals that lived about 120 million years ago in what…
The human brain as we know it today is relatively young. It evolved about 1.7 million years ago when the culture of stone tools in…