Paleontology
Why Did Dinosaurs Have Horns? It May Not Have Been Simply for Defense
Triceratops and its relatives may have evolved the structures for fighting, impressing mates, and more
Miners Unearth a Mummified Woolly Rhino in Siberia, With an Intact Horn and Soft Tissue
The rare discovery will help scientists find out more about the prehistoric animal’s development, diet and living conditions
'Matching' Dinosaur Footprints Discovered in Africa and South America
The fossils show how dinosaurs may have crossed between landmasses around 120 million years ago, when the continents were still connected
Fossils Capturing a Sea Cow's Violent End Shed Light on Prehistoric Food Chains
New research suggests the dugong-like sea creature was attacked by a crocodile, then its remains were scavenged by a tiger shark—a rare series of events to be immortalized in the fossil record
20,000-Year-Old Columbian Mammoth Bones Discovered in Texas
While fishing at an undisclosed lake, Sabrina Solomon slipped and fell—and came face to face with the remains
‘Fearsome’ Saber-Toothed Cats Needed Their Baby Teeth and Mommies, Too
According to new research, two sets of sabers and unusual lower jaw anatomy show that the saber-toothed cat Smilodon fatalis delayed adulting with a long weaning period
13,600-Year-Old Mastodon Skull Uncovered in Iowa
The hulking creature may have overlapped with Indigenous people
Rare Seven-Foot Mammoth Tusk Unearthed in Mississippi Creek
The enormous fossil belonged to a Columbian mammoth, a larger relative of the woolly mammoth
This Innovative Device Allows South American Paleontologists to Share Fossils With the World
PaleoScan offers scientists at far-flung institutions a less expensive way to digitize their collections and preserve at-risk specimens of fish, turtles, pterosaurs and more
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
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
Two Rare Jurassic Skulls Could Help Unlock the Secrets of Mammals' Evolutionary Success
Fossils reveal a prehistoric, mouse-like creature matured slower and lived longer than similar mammals of today
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
Taco-Shaped Creature Had a 'Major Edge' in Evolution—and 30 Pairs of Spiny Legs
This shrimp-like arthropod was among the first to have a mandible, and it used a complex feeding mechanism during the Cambrian explosion, according to a new study
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
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
Did the Extinction of the Dinosaurs Pave the Way for Grapes?
Newly discovered fossils in South America hint at the evolution and proliferation of grapes around the world
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
Volcanic Ash Preserved Trilobite Fossils in Surprising Detail at 'Prehistoric Pompeii'
The specimens date to more than 500 million years ago and provide new insights into trilobite anatomy, revealing previously unseen features
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
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