Dinosaurs

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

An artist's rendering of the newly identified species, called Tyrannosaurus mcraeensis. The species may be the closest known relative of T. rex.

Fossils Reveal a Possible New Tyrannosaur Species, the Closest Relative of T. Rex

The remains, dug up in the 1980s, might shed light on T. rex's mysterious origins, according to a new paper

An illustration of Nanotyrannus attacking a juvenile T. rex

Decades-Long Debate on 'Teenage' Tyrannosaur Fossils Takes Another Turn

A new paper adds to evidence suggesting a group of disputed fossils, identified by many scientists as young T. rex, are actually another species

Advances in artificial intelligence and dinosaur discoveries were just some of the major science stories this year.

The Ten Most Significant Science Stories of 2023

From an asteroid sample that was delivered to Earth to a discovery about human migration from North America, these were the biggest moments of the year

Ten big dinosaur discoveries stood out in 2023.

The Top Ten Dinosaur Discoveries of 2023

From uncovering a tyrannosaur’s last meal to unlocking the secrets of a dino with a really long neck, these were the year’s biggest stories

A Gorgosaurus consumes its prey.

Amazing Fossil Preserves Teenage Tyrannosaur’s Last Meal

Stomach contents from a juvenile Gorgosaurus reveal it feasted on small, bird-like species 75 million years ago

Fossilized Trisauropodiscus tracks from more than 210 million years ago (marked with 4 cm scale) compared to modern bird tracks from March 2018 (marked with 3 cm scale)

Mysterious Creatures With Bird-Like Feet Made These Tracks Long Before Birds Evolved

The footprints pre-date the earliest known fossils of avian ancestors by roughly 60 million years, per a new study

Dust from the Chicxulub impact may have plunged the planet into a cold, dark winter and halted photosynthesis.

Dust May Have Triggered the Global Winter That Killed the Dinosaurs

A new study, based on modeling, suggests fine silicate particles could have blocked sunlight and shut down photosynthesis across the globe

Paleontologists unearthed the fossilized remains of three individuals, including a pair of nearly complete feet.

New 'Giant' Species of Long-Necked Dinosaur Discovered in Spain

The prehistoric creature, named Garumbatitan morellensis, may help paleontologists unravel the evolution of the plant-eating sauropods

An artist’s illustration of Quetzalcoatlus flying

How Pterosaurs Might Inform the Next Generation of Flight

After paleontologists cracked the secrets of the ancient flying reptiles, researchers are thinking about how to harness their methods

An artist's interpretation of Fujianvenator prodigiosus

This 'Weird,' Bird-Like Dinosaur Had Really Long Legs

Paleontologists discovered the 150-million-year-old creature in southeast China

So far, volunteers have counted roughly 75 newly revealed footprints.

Drought Reveals 113-Million-Year-Old Dinosaur Tracks in Texas

The footprints are normally submerged under the water and silt of the Paluxy River, part of which has dried up this summer

The Crystal Palace Dinosaurs are the world’s first attempt to model prehistoric animals at full scale.

How a Victorian Dinosaur Park Became a Time Capsule of Early Paleontology

A new sculpture and an upcoming restoration are breathing life into the Crystal Palace Dinosaurs, one of 19th-century Britain’s most curious creations

In the past decade, paleontologists have named several new dinosaur species and found that some previously discovered species belonged to their own groups.

How Many Dinosaurs Remain Undiscovered?

Paleontologists say more non-avian dinos are waiting to be uncovered than have previously been found

The dinosaur and mammal engaged in a final tussle.

Rare Fossil May Show a Small Mammal Attacking a Dinosaur

The well-preserved bones could upend the traditional view of dinosaurs as predators and mammals as prey, if the findings are confirmed

American crocodiles haven't been known to reproduce via parthenogenesis—until now.

Scientists Record the First 'Virgin Birth' in a Crocodile

A female American crocodile living in captivity reproduced without a mate—a finding that suggests dinosaurs might have done the same thing

Iani smithi

New Beaked Dinosaur Species Found in Utah

The creature, dubbed Iani smithi, was identified from a 99-million-year-old fossil

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