Dinosaurs

Scotty, the largest T. rex specimen on record, is on display at the Royal Saskatchewan Museum in Canada.

The Largest T. Rex Could Have Been 70 Percent Heavier Than Fossils Suggest

Two scientists used modeling to predict how big the giant carnivores could have really grown, making a point that fossils likely don't represent the largest or smallest individuals of a species

A coating of iron on Komodo dragons' teeth could help keep them sharp for tearing into prey, as well as protect them from digestive acids.

Komodo Dragons Have Iron-Coated Teeth, Study Finds

New research provides the first evidence of the adaptation in a carnivorous reptile, and it might hold clues to understanding the teeth of dinosaurs

Rainforests, like this one in Ecuador, only appeared after the mass extinction that ended the Age of Dinosaurs.

No, Dinosaurs Did Not Trudge Through Thick Rainforests

The first jungles dense with flowering plants only formed after an asteroid impact wiped out the giant creatures

Prior to the auction, "Apex" was on exhibition at Sotheby’s galleries in New York.

Enormous Stegosaurus Skeleton Called 'Apex' Smashes Auction Records and Sells for $44.6 Million

The 150-million-year-old dinosaur became the most expensive fossil ever sold at auction, raising old questions about whether such specimens should be put up for sale

Asteroid impacts and volcanism have led to mass extinctions on our planet.

Has Life on Earth Survived More Than Five Mass Extinctions?

Scientists aren’t just arguing whether humans are causing a sixth mass extinction event now, but whether many more occurred in the past

An artist’s rendering of the creature called Gaiasia jennyae

Before the Dinosaurs, This Massive Salamander-Like Predator Ruled Earth’s Swamps

Fossils unearthed in present-day Namibia tell an intriguing story of tetrapod evolution

An artist's portrayal of Lokiceratops rangiformis, which lived in the swamps of western North America about 78 million years ago.

Dinosaur With Giant, Loki-Like Horns Has the 'Craziest, Coolest' Headgear—and Could Be a New Species

The discovery sheds light on the evolution of a surprisingly diverse group of horned dinosaurs in the western United States

The three young explorers participated in the excavation of the fossilized remains.

Kids Discover Tyrannosaurus Rex Fossil in North Dakota

The bones belonged to a dinosaur that was likely a teenager when it died. Only a handful of young T. rex skeletons have ever been found

An artist's rendering of a feathered dinosuar in the snow. Feathers would have allowed dinosaurs, ancestors of birds, to trap their body heat in cold climates.

Some Dinosaurs Evolved to Be Warm-Blooded 180 Million Years Ago, Study Suggests

Researchers studied the geographic distribution of dinosaurs to draw conclusions about whether they could regulate their internal temperatures

A pterosaur cranium fossil is among the donated artifacts that will be on display and studied behind the scenes when the museum reopens in 2026.

More Than 1,000 Fossils, Including Rare Dinosaurs, Gifted to Brazil's National Museum Following Fire

The massive donation was made by Burkhard Pohl, a Swiss-German collector, as the museum works to replenish its collections after a devastating blaze in September 2018

Where do we get the seeds for seedless fruit?

Where Do We Get Seeds for Seedless Fruit? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Close-up showing the Archaeopteryx fossil’s skull, neck, spine, rib cage and wing bones. The fossil will go on view at Chicago's Field Museum on May 7.

Chicago Museum Unveils the 'Most Important Fossil Ever Discovered': the Feathered Dinosaur Archaeopteryx

Archaeopteryx provided the missing link between dinosaurs and the avians of today, serving as critical evidence for Charles Darwin’s theory of evolution

Scientists are at odds about how intelligent T. rex was.

How Intelligent Was T. Rex? Scientists Suggest the Dinosaurs Were Like 'Smart, Giant Crocodiles'

A new paper refutes the idea that T. rex was as brainy as a baboon, furthering the debate on the extinct reptile's intellect

The tracks were found at site that was once a muddy river plain.

Paleontologists Discover Massive Dinosaur Tracks in China, Hinting at One of the Largest Known Raptors

The footprints, left behind by a 16-foot-long creature some 96 million years ago, represent the biggest raptor tracks ever found

The tracks are located west of Ouray, Colorado, in the San Juan Mountains.

You Can Visit the World's Largest Continuous Dinosaur Trackway, Now on Protected Public Land

In the Late Jurassic, a long-necked dinosaur made a 270-degree turn while walking in present-day Colorado—and left behind a rare treat for paleontologists

Wildflowers, spongy tundra grass and Brooks Range mountains emerge from the Arctic National Wildlife Refuge on Alaska's North Slope.

Alaska's Frigid North Slope Was Once a Lush, Wet, Dinosaur Hotspot, Fossils Reveal

Conditions north of the Arctic Circle, where dinosaurs roamed in abundance during the mid-Cretaceous, were warmer than today, with rainfall comparable to “modern-day Miami”

Paleontologists are still investigating what the carnivorous dinosaur Megalosaurus looked like.

Paleontologists Are Still Unraveling the Mystery of the First Dinosaur

Two hundred years after it was first named, scientists are just beginning to reveal the secrets of Megalosaurus

A Kronosaurus, one of the top predators in Cretaceous-era tropical oceans, prepares to feast on an ammonite.

Uncovering the Secrets of Colombia's Rich Fossil Deposits

Paleontologists are working hard to understand oceanic remains buried high in the Andes

Illustration of two Caudipteryx dinosaurs drinking from a river

Scientists Build a Robot Dinosaur to Probe the Mystery of Tiny Wings

Robopteryx—a makeshift dinosaur with training wheels—offers clues to the purpose of prehistoric proto-wings, which are too small to have powered flight

Paleontologists have recognized three related, parrot-like dinosaurs in the Hell Creek Formation. Eoneophron infernalis (top left) walks by MOR 752 (bottom left) and Anzu wyliei (right).

Newly Discovered, Parrot-Like Dinosaur Roamed North America Alongside T. Rex

While larger dinosaurs are comparatively well-known, finding smaller species paints a more complete picture of life before the mass extinction

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