Fossils

A variety of saber-toothed animals have evolved to fill different niches.

Eight Menacing Saber-Toothed Creatures That Stalked the Earth Long Ago

From before the dinosaurs to the Ice Age, several mammals and their forerunners sported the iconic, curved teeth

An artist's interpretation of how a rhynchosaur might have looked

These 'Grinning' Triassic Reptiles Likely Died of Starvation

Sheep-sized rhynchosaurs had an unusual way of chewing plants that wore down their teeth over time

An illustration of a predator decapitating Tanystropheus hydroides

These Long-Necked Marine Reptiles Were Decapitated

Tanystropheus fossils reveal how predators may have snapped the creatures' necks with a powerful, swift bite from above

Nihohae matakoi swam in waters off the coast of New Zealand around 25 million years ago.

These Prehistoric Dolphins Had Tusk-Like Teeth

The animals likely thrashed their heads back and forth to injure or stun prey with their unusual, horizontal teeth

Researchers take sediment samples in the excacation pit in the Tam Pà Ling cave in Laos, where two newly uncovered human bones—part of a skull and a shin bone—were found.

Archaeologists Uncover Earliest Evidence of Modern Humans in Southeast Asia

The fossils from a cave in Laos, which date to between 68,000 and 86,000 years ago, challenge several ideas about early human migration

Reconstruction of an Australian pterosaur

Australia's Oldest Known Pterosaur Fossils Are From 107 Million Years Ago

The tiny bones include the first one from a juvenile found in the country

Iani smithi

New Beaked Dinosaur Species Found in Utah

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

The mastodon tooth was discovered on Rio Del Mar State Beach in California.

Woman Finds Mastodon Tooth on California Beach

The photos she shared set off a search for the fossil, which she had left behind. Now, scientists have the tooth, just the third of its kind found locally

Paleontologists discovered Oda's remarkably intact fossilized skeleton in Svalbard in 2008.

Unraveling the Mysteries of Oda the Ichthyosaur

Paleontologists used X-rays to identify the 240-million-year-old creature's flattened and fossilized remains

An illustration of the giant gorgonopsian Inostrancevia scaring off the much smaller African species Cyonosaurus

During the 'Great Dying,' This Saber-Toothed Predator Reigned

This ancestor of mammals briefly thrived amid a massive extinction event, hinting at how carnivores may respond to climate change today

Fossils in Wales reveal a glimpse into marine life 462 million years ago. In this illustration based on the new finds, the tall sponge in the foreground is less than one inch in height.

This Trove of Fossils in Wales Is Revealing Secrets of Early Animal Life

Scientists have uncovered 170 species from around 462 million years ago, unveiling surprises about when tiny marine creatures evolved and disappeared

An illustration of Diamantinasaurus matildae

Rare 95-Million-Year-Old Dinosaur Skull Uncovered in Australia

The first-of-its-kind find reveals how sauropods may have moved between Australia and South America during the mid-Cretaceous

Many giant animals roamed the Earth after non-avian dinosaurs went extinct.

After Dinosaurs Went Extinct, These Ten Giant Creatures Roamed the Earth

Though we often think of the “terrible lizards” as behemoths, many later reptiles and mammals also grew to massive sizes

The fossil of Icaronycteris gunnelli

Paleontologists Discover 52-Million-Year-Old Bat

The fossil represents the earliest-known species of the flying mammal

The Tyrannosaurus rex may have had lips.

T. Rex Had Lips That Concealed Its Teeth, Study Says

Paleontologists say popular, toothy depictions of the dinosaur may have missed the mark

An artist’s reconstruction of Rhinesuchus, a rhinesuchid temnospondyl

Paleontologists Uncover Fossil Impressions of Giant, Alligator-Like Amphibians

The find reveals how the creatures swam and relaxed in prehistoric waterways

A rendering of Mamenchisaurus sinocanadorum dinosaurs with their 50-foot-long necks.

This Dinosaur Had a 50-Foot-Long Neck, Scientists Say

They compared vertebrae discovered in 1987 to more complete remains to make this new estimate

An illustration of Tillyardembia, an earwig-like insect that may have pollinated non-flowering plants some 280 million years ago.

Scientists Discover Oldest Known Fossils of Pollen-Carrying Insects

It’s unclear whether the creatures were pollinating prehistoric plants or just getting a snack

An artist's depiction of Macronectes tinae, a newly identified extinct species of giant petrel that lived in New Zealand.

Amateur Fossil Hunter Discovers New Species of Giant Petrel in New Zealand

The now-extinct birds, which lived roughly three million years ago, likely used their hooked bills to feast on seal carcasses

Stories of the enslaved people who helped kick-start paleontology and the Native American guides who led naturalists to fossils around the continent have long been suppressed.

The First Fossil Finders in North America Were Enslaved and Indigenous People

Decades before paleontology’s formal establishment, Black and Native Americans discovered—and correctly identified—millennia-old fossils

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