Meet The 42-Foot Snake That Ruled Earth After The Dinosaurs — A Biologist Explains
About 60 million years ago, long before humans and just after the dinosaurs vanished, a giant snake rose…
Anacondas Are the Rare Prehistoric Giants That Never Shrank, Ssssstudy Reveals
During the Middle to Upper Miocene period (12.4 to 5.3 million years ago), giant animals walked—and slithered—the Earth…
Meet the Weirdly Wonderful ‘Frosty’ Rhino That Once Roamed the Canadian Arctic
When you think of rhinoceroses, chances are you think of regions like Africa and Asia, not North America.…
A Plant-Eating Croc? Newly Identified Species Demonstrates Crocodilian Versatility
Illustration by Dane Johnson, Museum of the Rockies – released to the press Measuring no more than 2…
Loss of macroevolutionary species fitness explains the rise and fall of clades
Raup, D. M. Biological extinction in Earth history. Science 231, 1528–1533 (1986). Article CAS PubMed Google Scholar Benton,…
A Carnian theropod with unexpectedly derived features during the first dinosaur radiation
Nesbitt, S. J. et al. Ecologically distinct dinosaurian sister group shows early diversification of Ornithodira. Nature 464, 95–98…
Adaptive ecosystem restoration to mitigate zoonotic risks
Jones, K. E. et al. Global trends in emerging infectious diseases. Nature 451, 990–993 (2008). Article CAS PubMed …
From a 20-Foot Poop Pile, Scientists Uncover the Secrets of Giant Sloths
Ancient sloths lived in trees, on mountains, in deserts, boreal forests, and open savannahs. These differences in habitat…
New Species of “Living Fossil” Fish Found Hiding in Plain Sight After 150 Years
Reconstruction of a large mawsoniid coelacanth from the British Rhaetian. Credit: Daniel Phillips Researchers found dozens of Triassic…
Uncovering the Genes That Let Our Ancestors Walk Upright
Charles Darwin unveiled his theory of evolution in 1859, in “On the Origin of Species.” But it took…
Blood Vessels Found in T. rex Bones Rewrite What We Know About Dinosaurs
Dinosaur DNA remains out of reach, so scientists hunt rarer clues: soft tissues entombed in bone. Using synchrotron…
50-Million-Year-Old Sea Turtle Unearthed in Syria Stuns Paleontologists
Carapace of Syriemys lelunensis: The genus name combines the Greek words Συρία (Suría) and ἐμύς (emús), i.e., “Syria”…