Tyrannosaurus Rex News

June 26, 2025

Top Headlines

Dinosaurs Could Hold Key to Cancer Discoveries

May 29, 2025 — New techniques used to analyze soft tissue in dinosaur fossils may hold the key to new cancer discoveries. Researchers have analyzed dinosaur fossils using advanced paleoproteomic techniques, a method that holds promise for uncovering molecular data ...

Birds Nested in Arctic Alongside Dinosaurs

May 29, 2025 — Spring in the Arctic brings forth a plethora of peeps and downy hatchlings as millions of birds gather to raise their young. The same was true 73 million years ago, according to a new article. The paper documents the earliest-known example of birds ...

Europe's Most Complete Stegosaurian Skull Unearthed in Teruel, Spain

May 29, 2025 — Palaeontologists have analyzed the most complete stegosaurian skull ever found in Europe and rewritten the evolutionary history of this iconic group of ...

Mystery of 'Very Odd' Elasmosaur Finally Solved: Fiercely Predatory Marine Reptile Is New Species

May 23, 2025 — A group of fossils of elasmosaurs -- some of the most famous in North America -- have just been formally identified as belonging to a 'very odd' new genus of the sea monster, unlike any previously ...

Toothache from Eating Something Cold? Blame These Ancient Fish

May 22, 2025 — New research shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armored exoskeletons of ancient ...

Scientists Use Fossils to Assess the Health of Florida's Largest Remaining Seagrass Bed: Surprisingly, It's Doing Well!

May 16, 2025 — A new study shows that seagrass ecosystems along the northern half of Florida's Gulf Coast have remained relatively healthy and undisturbed for the last several thousand ...

Australia's Oldest Prehistoric Tree Frog Hops 22 Million Years Back in Time

May 14, 2025 — Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South ...

Fossil Tracks Show Reptiles Appeared on Earth Up to 40 Million Years Earlier

May 14, 2025 — The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an Australian fossil site that represents a critical ...

UV Light and CT Scans Helped Scientists Unlock Hidden Details in a Beautifully-Preserved Fossil Archaeopteryx

May 14, 2025 — Archaeopteryx is the fossil that clearly demonstrated Darwin's views. It's the oldest known fossil bird, and it helps show that all birds -- including the ones alive today -- emerged from dinosaurs. ...

From Prehistoric Resident to Runaway Pet: First Tegu Fossil Found in the U.S.

May 12, 2025 — Originally from South America, the charismatic tegu made its way to the United States via the pet trade of the 1990s. But a recent discovery shows these reptiles are no strangers to the region -- ...

New Ancient Fish Species Earliest Known Salmon Ancestor

May 9, 2025 — The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska's fresh waters 73 million years ago were teeming with the ancient relatives of today's ...

First Fossil Evidence of Endangered Tropical Tree Discovered

May 9, 2025 — Scientists have discovered fossil evidence of an endangered, living tropical tree species. The unprecedented find was made in Brunei, a country on the large island of Borneo, and reveals a critical piece of the ancient history of Asia's rainforests, ...

Latest Headlines

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Mammals Didn't Walk Upright Until Late—here's What Fossils Reveal

June 25, 2025 — The shift from lizard-like sprawl to upright walking in mammals wasn’t a smooth climb up the evolutionary ladder. Instead, it was a messy saga full of unexpected detours. Using new bone-mapping ...

Monster Salamander With Powerful Jaws Unearthed in Tennessee Fossil Find

June 17, 2025 — A massive, extinct salamander with jaws like a vice once roamed ancient Tennessee and its fossil has just rewritten what we thought we knew about Appalachian amphibians. Named Dynamognathus ...

The 10,000-Mile March Through Fire That Made Dinosaurs Possible

June 13, 2025 — Despite Earth's most devastating mass extinction wiping out over 80% of marine life and half of land species, a group of early reptiles called archosauromorphs not only survived but thrived, ...

What a Dinosaur Ate 100 Million Years ago—Preserved in a Fossilized Time Capsule

June 10, 2025 — A prehistoric digestive time capsule has been unearthed in Australia: plant fossils found inside a sauropod dinosaur offer the first definitive ...

Triassic Fossil Reveals Nature's Best Jaw for Hunting Fast Fish

May 7, 2025 — Newly discovered species of extinct fish shows striking similarities to unrelated modern-day predators, suggesting certain traits have emerged multiple times and remained consistent over hundreds of ...

T. Rex's Direct Ancestor Crossed from Asia to North America

May 7, 2025 — Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new ...

New Drone-Assisted 3D Model Offers a More Accurate Way to Date Dinosaur Fossils

May 6, 2025 — A new study is reshaping how scientists date dinosaur fossils in Alberta's Dinosaur Provincial Park (DPP). Using advanced drone-assisted 3D mapping, ...

Genomic Survey Uncovers Evolutionary Origins of Secretoglobins

May 5, 2025 — At a conference in Washington D.C. in 2000, the secretoglobin super family of proteins was named to classify proteins with structural similarities to its founding member uteroglobin. Now, 25 years ...

'Extremely Rare Event': Bone Analysis Suggests Ancient Echidnas Lived in Water

May 4, 2025 — New research questions the evolutionary history of some of our most peculiar ...

Ptero Firma: Footprints Pinpoint When Ancient Flying Reptiles Conquered the Ground

May 1, 2025 — A new study links fossilized flying reptile tracks to animals that made them. Fossilized footprints reveal a 160-million-year-old invasion as ...

160 Million Years Ago, This Fungus Pierced Trees Like a Microscopic Spear

June 8, 2025 — In a paper published in National Science Review, a Chinese team of scientists highlights the discovery of well-preserved blue-stain fungal hyphae within a Jurassic fossil wood from northeastern ...

Giant Croclike Carnivore Fossils Found in the Caribbean

Apr. 29, 2025 — Imagine a crocodile built like a greyhound -- that's a sebecid. Standing tall, with some species reaching 20 feet in length, they dominated South American landscapes after the extinction of ...

The Oldest Ant Ever Discovered Found Fossilized in Brazil

Apr. 24, 2025 — A 113-million-year-old hell ant that once lived in northeastern Brazil is now the oldest ant specimen known to science, finds a new report. The hell ant, which was preserved in limestone, is a member ...

Secret to Crocodylian Longevity

Apr. 16, 2025 — Researchers examined teeth and skulls of 99 extinct crocodylomorph species and 20 living crocodylian species to reconstruct their dietary ecology and identify characteristics that helped some groups ...

Footprints of Tail-Clubbed Armored Dinosaurs Found for the First Time

Apr. 14, 2025 — Footprints of armored dinosaurs with tail clubs have been identified, following discoveries made in the Canadian Rockies. The 100-million-year-old fossilized footprints were found at sites at both ...

Prehistoric Rhinos Lived in Super-Herds

Apr. 9, 2025 — Rhinos that flourished across much of North America 12 million years ago gathered in huge herds, according to a new ...

Life Recovered Rapidly at Site of Dino-Killing Asteroid: A Hydrothermal System May Have Helped

Apr. 8, 2025 — About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. But the crater it left behind in the Gulf of Mexico was a ...

Dinosaurs' Apparent Decline Prior to Asteroid May Be Due to Poor Fossil Record

Apr. 8, 2025 — The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

Machine Learning Helps Construct an Evolutionary Timeline of Bacteria

Apr. 3, 2025 — Scientists have helped to construct a detailed timeline for bacterial evolution, suggesting some bacteria used oxygen long before evolving the ability to produce it through ...

Ancient Amphibians as Big as Alligators Died in Mass Mortality Event in Triassic Wyoming

Apr. 2, 2025 — Dozens of amphibians perished together on an ancient floodplain around 230 million years ago, according to a new ...

Footprints Reveal Prehistoric Scottish Lagoons Were Stomping Grounds for Giant Jurassic Dinosaurs

Apr. 2, 2025 — Jurassic dinosaurs milled about ancient Scottish lagoons, leaving up to 131 footprints at a newly discovered stomping ground on the Isle of Skye in Scotland, according to a new ...

Mammals Were Adapting from Life in the Trees to Living on the Ground Before Dinosaur-Killing Asteroid

Apr. 1, 2025 — More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has ...

New Species Revealed After 25 Years of Study on 'Inside Out' Fossil -- And Named After Discoverer's Mum

Mar. 26, 2025 — A new species of fossil is 444 million years-old with soft insides perfectly preserved. Research 'ultramarathon' saw palaeontologist puzzled by bizarre fossil for 25 ...

From Dinosaurs to Birds: The Origins of Feather Formation

Mar. 20, 2025 — Feathers, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic ...

New Fossil Discovery Reveals How Volcanic Deposits Can Preserve the Microscopic Details of Animal Tissues

Mar. 18, 2025 — An analysis of a 30,000-year-old fossil vulture from Central Italy has revealed for the first time that volcanic rock can preserve microscopic details in feathers -- the first ever record of such a ...

Dozens of 3-Toed Dinosaurs Leave Their Mark in Australia

Mar. 13, 2025 — A researcher has confirmed a boulder at a regional school contains one of the highest concentrations of dinosaur footprints per square meter ever documented in ...

A 62-Million-Year-Old Skeleton Sheds Light on an Enigmatic Mammal

Mar. 11, 2025 — For more than 140 years, Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly ...

When Birds Lose the Ability to Fly, Their Bodies Change Faster Than Their Feathers

Feb. 27, 2025 — Researchers examined dozens of bird species in museum collections looking for differences in the feathers and bodies between birds that can fly and birds that can't. They found that when birds ...

Underwater Fossil Bed Discovered by Collectors Preserves Rare Slice of Florida's Past

Feb. 12, 2025 — Fossil collectors in Florida have discovered an ancient sinkhole, now at the bottom of a river, which holds the remains of animals rarely seen in the state, including a type of giant armadillo, giant ...

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 ...