Fossils indicate a variety of marine reptiles swam through ancient seas.

From Massive Eyes to Shark-Like Tails, Seven Amazing Adaptations That Helped Prehistoric Reptiles Thrive at Sea

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and the ability to birth live young

A species of remipede known from the Caicos Islands. The photograph was taken by a member of a multinational team looking for rare species. Remipedes are crustaceans that are close relatives to insects.

You Might Think of Shrimp as Bugs of the Sea. But a Remarkable Discovery Shows the Opposite: Bugs Are Actually Shrimp of the Land

A recent study suggests that insects branched out from crustaceans on the tree of life

An artistic rendering of the carnivorous theropods and herbivorous sauropods that left tracks at the same Scottish site.

‘Important’ Dinosaur Tracks Found in Scotland Suggest Carnivores and Their Prey Drank From the Same Watering Hole

Researchers analyzed 131 fossilized impressions on the Isle of Skye, some of which were previously considered fish burrows

A skull of the Triassic amphibian Buettnererpeton bakeri gets uncovered for the first time in 230 million years. Researchers found it in a cache of skeletons that were well-preserved and appear to be relatively undisturbed over time.

Enormous, Crocodile-Sized Amphibians Mysteriously Died Together in Wyoming 230 Million Years Ago

Paleontologists found a group of four-legged Triassic creatures preserved in the same bone bed—but they don’t know what killed the animals

The tusks of ancient elephants came in a variety of shapes and sizes.

Ten Exceptional Ancient Elephants, From Small Swimming Creatures to Shovel-Tusked Beasts

A wide variety of the exotic animals evolved on Earth over the past 60 million years

In the Gobi Desert, scientists discovered two fossilized claws of a large, feathered dinosaur now called Duonychus tsogtbaatari.

Cool Finds

Dinosaur With Two Massive, Sloth-Like Claws Is on ‘Another Level’ of Weird—Even Among Its Unusual Group of Relatives

Paleontologists discovered Duonychus tsogtbaatari from fossils uncovered in 2012. It was a giant, feathered creature adapted to grasp and feed on vegetation

Researchers carefuly wrapped the tusk in strips of plaster-covered burlap for protection.

Cool Finds

A Hunter Was Out Looking for Deer in West Texas. He Found a Rare Mammoth Tusk Instead

Discovered in the drainage area of a creek bed, the tusk was initially thought to be “just an old stump”

The slab was donated to an Australian high school by a geologist who discovered it at a nearby coal mine.

Cool Finds

Students Walked Past This Rock for 20 Years. It Turned Out to Host 66 Dinosaur Footprints From the Jurassic Period

A paleontologist studied the 200-million-year-old prints that had been hiding in plain sight, then discovered even more tracks in another rock sitting in a nearby parking lot

A new study suggests that the lemon shark, pictured here, is a better analogue for the megalodon's size than a great white.

Megalodon Might Have Been Longer and Skinnier Than Previously Thought, Growing Up to 80 Feet

A new paper suggests the enormous, extinct shark looked less like a bulky great white and more like an elongated lemon shark

A mosquito stuck in resin is on its way to becoming a fossil preserved in amber.

How a Fragile Insect Living 100 Million Years Ago Becomes a Fossil

A bug, a dinosaur and a tree intersect, creating the perfect conditions for resin to capture a moment in time

An artistic representation of the newly discovered species, Baminornis zhenghensis, with the preserved bones highlighted.

Cool Finds

Scientists Discover ‘Groundbreaking’ Jurassic Fossil That Could Overhaul the Evolutionary History of Birds

Researchers in China found Baminornis zhenghensis, which lived at roughly the same time as the famous Archaeopteryx but looked much more like modern birds due to its short tail

Images and schematic line drawings of the recently discovered neck vertebra of Cryodrakon boreas that bears a puncture mark, presumably from a predator or scavenger.

Cool Finds

Rare Neck Fossil With Puncture Mark Suggests a Prehistoric Crocodilian Snacked on a Young Pterosaur 76 Million Years Ago

The fossil sheds light on interactions within the Cretaceous food web and may represent the first record of this type of predation in North America

An artist's illustration of a plesiosaur, based on new research that finds these now-extinct sea monsters had both smooth and scaly skin.

Rare Fossil of 183-Million-Year-Old ‘Sea Monster’ Reveals Both Smooth and Scaly Skin

For the first time, scientists have completed an in-depth analysis of fossilized soft tissues from a plesiosaur

The palm oil industry in Indonesia has led to widespread deforestation, making it hard to find remaining signs of archaic life.

The Search to Find the Remains of Homo Erectus in a Vanishing Landscape

A paleontologist journeys through Indonesia’s Riau Archipelago in search of our earliest ancestors, and uncovers how environmental devastation has erased much of the region’s history

An illustration of the Vegavis iaai diving for fish off the coast of the Antarctic peninsula.

Paleontologists Discover Fossil of the Oldest Known Modern Bird—but It Raises More Questions Than It Answers

The fossil suggests that modern birds evolved before the dinosaur-killing asteroid, perhaps in Antarctica

The Tyrannosaurus at Spain’s Jurassic Museum of Asturias offer a speculative take on how dinosaurs mated.

Everything You Want to Know About Dinosaur Sexual Anatomy and Reproduction, From Their Genitalia to How They Laid Eggs

Paleontologists continue to find fossils that help revise our understanding of how dinosaurs did it

The fossil find, dubbed Danekræ DK-1295, contains regurgitated fragments of sea lilies.

Cool Finds

Fossil Hunter Discovers 66-Million-Year-Old Vomit in Denmark, Offering a Clue to the Cretaceous Food Chain

A marine animal snacked on some sea lilies that did not agree with its stomach—and we now know what happened next

Hand-drawn illustration of two of the seven sampled molars from Australopithecus

Ape-Like Human Ancestors Were Largely Vegetarian 3.3 Million Years Ago in South Africa, Fossil Teeth Reveal

Scientists suggest meat consumption was pivotal to humans’ development of larger brains, but the transition probably didn’t start with Australopithecus, according to a new study

Dinosaurs only started to live large after a mass extinction altered the planet in their favor.

How a Mass Extinction Driven by Ancient Volcanoes Led to the Age of the Dinosaurs

Roughly 201 million years ago, drastic changes extinguished many forms of life and led to conditions that allowed the terrible lizards to thrive

An illustration of Prototaxites in the early Devonian landscape, roughly 400 million years ago.

Giant, Mysterious Spires Ruled the Earth Long Before Trees Did. What Exactly Are These Odd-Looking Fossils?

For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were an early lichen or fungus, like a “giant mushroom”

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