Tyrannosaurus rex Had Mammal-Like Body Temperature, Study Finds
A new analysis of Tyrannosaurus rex teeth indicates the ancient predator maintained a body temperature of about 36.3 degrees…
Exceptionally Preserved Bird Feathers Found in 66-Million-Year-Old Dinosaur Coprolite
Paleontologists in Montana have discovered remarkably preserved feathers of an ancient aquatic bird inside a fossilized dinosaur dropping,…
Paleontologists Discover First-Ever Adult Tyrannosaurus rex Trackway
Paleontologists in North Dakota have unearthed a set of 66.5-million-year-old fossilized footprints that can be confidently attributed to…
115-Million-Year-Old Dinosaur Fossil Recovered from Deep Drill Core in China
Scientists have identified the first dinosaur fossil from a remote western section of the Bayan Gobi Formation in…
New Species of Armored Dinosaur Identified in Japan
Cranial fossils of a nodosaurid ankylosaur unearthed more than two decades ago on the Japanese island of Hokkaido…
Did Early Snakes Burrow, Swim or Crawl? 80‑Million‑Year‑Old Fossil Suggests: All Three
Paleontologists have unearthed a remarkably preserved fossil snake in Brazil that is reshaping ideas about how the earliest…
Oldest Known Male Gecko Found Preserved in Kachin Amber
Paleontologists have described a new genus and species of ancient gecko found in two pieces of amber from…
Tyrannosaurus rex Scavenged Duck-Billed Dinosaurs in Ancient Wyoming, Bite Marks Reveal
Thousands of fossilized bones from a Cretaceous-period bonebed in Wyoming, the United States, offer rare physical evidence that…
83-Million-Year-Old Fossil Rewrites Timeline of Antarctica’s First Dinosaur Discovery
A small fossil collected on an Antarctic island more than four decades ago is a tail vertebra of…
Four-Winged Dinosaur May Have Hunted Early Birds 120 Million Years Ago
Artistic reconstruction of Jian changmaensis, attacking an early bird. Credit: Lewis LaRosa/Jão Canola At a Cretaceous lake in what…
New Feathered Dinosaur from China Had Peacock-Like Tail
A new genus and species of four-winged pennaraptoran dinosaur from the Early Cretaceous of northern China is adding…
125-Million-Year-Old Crocodile Relative Reveals Its True Colors
Exceptionally preserved skin of Montsecosuchus depereti, an extinct crocodylomorph no larger than a house cat that prowled the…