Tyrannosaurus Rex News

November 29, 2023

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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 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 well-known mosasaurs, the new species is named after a sea serpent ...

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 ...

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

Aug. 30, 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 ...

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, ...

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 ...

Evolution of Dinosaur Body Size Through Different Developmental Mechanisms

Feb. 23, 2023 — The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly ...

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Oldest Spinosaur Brains Revealed

Feb. 13, 2023 — Researchers have reconstructed the brains and inner ears of two British spinosaurs, helping uncover how these large predatory dinosaurs interacted with their ...

Researchers Uncover 92 Fossil Nests Belonging to Some of India's Largest Dinosaurs

Jan. 18, 2023 — The discovery of more than 250 fossilized eggs reveals intimate details about the lives of titanosaurs in the Indian subcontinent, according to a new ...

Scientists Study Life Origins by Simulating a Cosmic Evolution

Jan. 11, 2023 — Amino acids make up millions of proteins that drive the chemical gears of life, including essential bodily functions in animals. Because of amino acids' relationship to living things scientists ...

Origins of the Building Blocks of Life

Jan. 11, 2023 — A new study posits that interstellar cloud conditions may have played a significant role on the presence of key building blocks of life in the solar ...

The Other Paleo Diet: Rare Discovery of Dinosaur Remains Preserved With Its Last Meal

Dec. 21, 2022 — Microraptor was an opportunistic predator, feeding on fish, birds, lizards -- and now small mammals. The discovery of a rare fossil reveals the creature was a generalist carnivore in the ancient ...

Scientists Discover What Was on the Menu of the First Dinosaurs

Dec. 16, 2022 — The earliest dinosaurs included carnivorous, omnivorous and herbivorous species, according to a team of ...

Dinosaur Teeth Reveal What They Didn't Eat

Dec. 9, 2022 — Scratches on dinosaur teeth could reveal what they really ate. Dental microwear texture analysis (DMTA) has now been used to infer the feeding habits of large theropods, including Allosaurus and T. ...

Dinosaurs Were on the Up Before Asteroid Downfall

Dec. 7, 2022 — Dinosaurs dominated the world right up until a deadly asteroid hit the earth, leading to their mass extinction, some 66 million years ago, a landmark study reveals. Fresh insights into ...

Ankylosaurs Battled Each Other as Much as They Fought Off T. Rex

Dec. 6, 2022 — Scientists have found new evidence for how armored dinosaurs used their iconic tail clubs. The exceptional fossil of the ankylosaur Zuul crurivastator has spikes along its flanks that were broken and ...

Ancient Superpredator Got Big by Front-Loading Its Growth in Its Youth

Nov. 28, 2022 — Whatcheeria, a six-foot-long salamander-like creature that lived 340 million years ago, was the T. rex of its time: the biggest, baddest predator in its habitat. A new study reveals how they grew to ...

Shaking the Dinosaur Family Tree: How Did 'Bird-Hipped' Dinosaurs Evolve?

Sep. 22, 2022 — Researchers have conducted a new analysis of the origins of 'bird-hipped' dinosaurs -- the group which includes iconic species such as Triceratops -- and found that they likely evolved from ...

Fossils of Giant Sea Lizard That Ruled the Oceans 66 Million Years Ago Discovered

Aug. 24, 2022 — Fossils of a giant killer mosasaur have been discovered, along with the fossilized remains of its ...

All the Better to Better Eat You With -- Dinosaurs Evolved Different Eye Socket Shapes to Allow Stronger Bites

Aug. 11, 2022 — Large dinosaur predators, such as Tyrannosaurus rex, evolved different shapes of eye sockets to better deal with high bite forces, new research has ...

Study Refutes Claim That T. Rex Was Three Separate Species

July 25, 2022 — A new study refutes a provocative claim made earlier this year that fossils classified as the dinosaur Tyrannosaurus rex represent three separate species. The rebuttal finds that the earlier proposal ...

A New Giant Dinosaur Gives Insight Into Why Many Prehistoric Meat-Eaters Had Such Tiny Arms

July 7, 2022 — An international team has discovered a new big, meat-eating dinosaur, dubbed Meraxes gigas, that provides clues about the evolution and anatomy of predatory dinosaurs such as the Carcharodontosaurus ...

Hot-Blooded T. Rex and Cold-Blooded Stegosaurus: Chemical Clues Reveal Dinosaur Metabolisms

May 25, 2022 — Paleontologists have debated whether dinosaurs were warm-blooded, like modern mammals and birds, or cold-blooded, like modern reptiles. In a new paper, scientists are unveiling a new method for ...

T. Rex's Short Arms May Have Lowered Risk of Bites During Feeding Frenzies

Apr. 1, 2022 — Extinct for 66 million years, T. rex still inspires speculation about its anatomy, behavior and fierce physique. One conundrum: its peculiarly short forelimbs, which have relatively limited mobility. ...

Dense Bones Allowed Spinosaurus to Hunt Underwater

Mar. 23, 2022 — Spinosaurus is the largest predatory dinosaur known -- over two metres longer than the longest Tyrannosaurus rex -- but the way it hunted has been a subject of debate for decades. In a new paper, ...

Newly Identified Softshell Turtle Lived Alongside T. Rex and Triceratops

Mar. 11, 2022 — Scientists describe the find of a new softshell turtle from the end of the Cretaceous ...

Physics Race Pits Usain Bolt Against Jurassic Park Dinosaur

Mar. 3, 2022 — A physics professor has developed an innovative activity that poses the question: Is Usain Bolt faster than a 900-pound ...

Monday, February 13, 2023