Tyrannosaurus Rex News

February 23, 2025

Top Headlines

Cretaceous Fossil from Antarctica Reveals Earliest Modern Bird

Feb. 5, 2025 — Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ancestors of today's waterfowl, surviving that mass ...

Exploring Mysteries of Asteroid Bennu

Jan. 29, 2025 — Scientists found that asteroid Bennu contained a set of salty mineral deposits that formed in an exact sequence when a brine evaporated, leaving clues about the type of water that flowed billions of years ...

New Twist in Mystery of Dinosaurs' Origin

Jan. 23, 2025 — The remains of the earliest dinosaurs may lie undiscovered in the Amazon and other equatorial regions of South America and Africa, suggests a new ...

Tyrannosaur Teeth Discovered in Bexhill-on-Sea, England

Dec. 5, 2024 — Research has revealed that several groups of meat-eating dinosaur stalked the Bexhill-on-Sea region of coastal East Sussex 135 million years ...

Latest Headlines

updated 11:23pm EST

Thanksgiving Special: Dinosaur Drumsticks and the Story of the Turkey Trot

Nov. 20, 2024 — Wings may be the obvious choice when studying the connection between dinosaurs and birds, but a pair of paleontologists prefer drumsticks. That part of the leg, they say, is where fibular reduction ...

Chemists Explain Why Dinosaur Collagen May Have Survived for Millions of Years

Sep. 4, 2024 — Chemists offer a new explanation for how collagen in dinosaur bones may have survived millions of years: An atomic-level interaction prevents its ...

Komodo Dragons Have Iron-Coated Teeth to Rip Apart Their Prey

July 24, 2024 — Scientists have discovered that the serrated edges of Komodo dragons' teeth are tipped with iron. The study gives new insight into how Komodo dragons keep their teeth razor-sharp and may provide ...

Scientists Assess How Large Dinosaurs Could Really Get

July 24, 2024 — A study looks at the maximum possible sizes of dinosaurs, using the carnivore, Tyrannosaurus rex, as an example. Using computer modelling, experts produced estimates that T. Rex might have been 70% ...

Researchers Discover Hidden Step in Dinosaur Feather Evolution

May 21, 2024 — Scientists discover 'zoned development' in dinosaur skin, with zones of reptile-style scales and zones of bird-like skin with feathers. A new dinosaur skin fossil has been found to be composed of ...

First 'Warm-Blooded' Dinosaurs May Have Emerged 180 Million Years Ago

May 15, 2024 — The ability to regulate body temperature, a trait all mammals and birds have today, may have evolved among some dinosaurs early in the Jurassic period about 180 million years ago. The new study ...

T. Rex Not as Smart as Previously Claimed

Apr. 29, 2024 — Dinosaurs were likely as smart as reptiles but not as intelligent as ...

Dinosaur Study Challenges Bergmann's Rule

Apr. 5, 2024 — A new study calls into question Bergmann's rule, an 1800s-era scientific principle stating that animals in high-latitude, cooler climates tend to be larger than close relatives living in warmer ...

Early Dinosaurs Grew Up Fast, but They Weren't the Only Ones

Apr. 3, 2024 — The earliest dinosaurs had rapid growth rates, but so did many of the other animals living alongside them, according to a new ...

Higher Carnivorous Dinosaur Biodiversity of Famous Kem Kem Beds, Morocco

Mar. 12, 2024 — An international team of palaeontologists applied recently developed methods to measure theropod (carnivorous) dinosaur species diversity. The newly applied method uses both traditional phylogenetic ...

Scientists CT Scanned Thousands of Natural History Specimens, Which You Can Access for Free

Mar. 6, 2024 — Natural history museums have entered a new stage of scientific discovery and accessibility with the completion of openVertebrate (oVert), a five-year collaborative project among 18 institutions to ...

Fossils of Giant Sea Lizard With Dagger-Like Teeth Show How Our Oceans Have Fundamentally Changed Since the Dinosaur Era

Mar. 5, 2024 — Fossils of a strange new species of marine lizard with dagger-like teeth that lived 66 million years ago, show a dramatically more biodiverse ocean ecosystem to what we see ...

Cosmic Building Blocks of Life Discovered Through the Electron Microscope

Jan. 29, 2024 — Meteorites are fragments of asteroids which find their way to Earth as shooting stars and provide information on the origins of our solar system. A team of researchers has examined the so-called ...

'Juvenile T. Rex' Fossils Are a Distinct Species of Small Tyrannosaur

Jan. 2, 2024 — A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus ...

Why the Long Face? Scientists Solve a Major Puzzle in Mammal Skull Shape Evolution

Dec. 12, 2023 — Horses have developed long faces simply 'because they can,' a team of evolutionary biologists say. In a major review of how mammalian heads evolve, scientists found that adaptations to ...

This Japanese 'Dragon' Terrorized Ancient Seas

Dec. 12, 2023 — Researchers have described a Japanese mosasaur the size of a great white shark that terrorized Pacific seas 72 million years ago. The mosasaur was named for the place where it was found, Wakayama ...

Unknown Animals Were Leaving Bird-Like Footprints in Late Triassic Southern Africa

Nov. 29, 2023 — Ancient animals were walking around on bird-like feet over 210 million years ago, according to a new ...

New Study Reveals Surprising Insights Into Feeding Habits of Carnivorous Dinosaurs in North America

Nov. 14, 2023 — New research sheds light on the dining habits of ancient carnivorous dinosaurs from Jurassic rocks of the USA. A recent study explores the bite marks left on the ancient bones of the giant ...

New Species of Mosasaur Named for Norse Sea Serpent

Oct. 30, 2023 — Scientists have discovered a new species of mosasaur, large, carnivorous aquatic lizards that lived during the late Cretaceous. With 'transitional' traits that place it between two ...

Race to Find World's Oldest Mammal Fossils Led to Mud-Slinging

Oct. 10, 2023 — The hunt for the world’s most ancient mammals descended into academic warfare in the seventies, researchers have ...

A Turtle Time Capsule: DNA Found in Ancient Shell

Sep. 28, 2023 — Paleontologists discover possible DNA remains in fossil turtle that lived 6 million years ago in Panama, where continents ...

Europe's Very Own Dinosaurs -- The Enigmatic Late Cretaceous Rhabdodontids

Sep. 1, 2023 — A new study brings together intriguing details about the little-known Rhabdodontidae dinosaurs of Late Cretaceous Europe. These gregarious herbivores, characterized by robust builds and beaks ...

Newly Discovered 'Primitive Cousins of T Rex' Shed Light on the End of the Age of Dinosaurs in Africa

Aug. 23, 2023 — Researchers have discovered the fossils of two new abelisaurs in Morocco, showing the diversity of dinosaurs in this region at the end of the Cretaceous ...

Scientists Explore Dinosaur 'Coliseum' in Denali National Park

Aug. 14, 2023 — Scientists have discovered and documented the largest known single dinosaur track site in Alaska. The site, located in Denali National Park and Preserve, has been dubbed 'The Coliseum' by ...

Unusual Fossil Shows Rare Evidence of a Mammal Attacking a Dinosaur

July 18, 2023 — Scientists have described an unusual fossil from around 125 million years ago in China that shows a dramatic moment in time when a carnivorous mammal attacked a larger plant-eating dinosaur. The two ...

Humans' Ancestors Survived the Asteroid Impact That Killed the Dinosaurs

June 27, 2023 — A Cretaceous origin for placental mammals, the group that includes humans, dogs and bats, has been revealed by in-depth analysis of the fossil record, showing they co-existed with dinosaurs for a ...

First Hominin Muscle Reconstruction Shows 3.2 Million-Year-Old 'Lucy' Could Stand as Erect as We Can

June 14, 2023 — Digital modelling of legendary fossil's soft tissue suggests Australopithecus afarensis had powerful leg and pelvic muscles suited to tree dwelling, but knee muscles that allowed fully erect ...

Giants of the Jurassic Seas Were Twice the Size of a Killer Whale

May 10, 2023 — There have been heated debates over the size of Jurassic animals. The speculation was set to continue, but now a chance discovery in an Oxfordshire museum has led to palaeontologists publishing a ...

Predatory Dinosaurs Such as T. Rex Sported Lizard-Like Lips

Mar. 30, 2023 — A new study suggests that predatory dinosaurs, such as Tyrannosaurus rex, did not have permanently exposed teeth as depicted in films such as Jurassic Park, but instead had scaly, lizard-like lips ...

Uracil Found in Ryugu Samples

Mar. 21, 2023 — Samples from the asteroid Ryugu collected by the Hayabusa2 mission contain nitrogenous organic compounds, including the nucleobase uracil, which is a part of ...