Fossils
Massive Mosasaurs May Have Evolved More Than Once
The predators, which were made famous in the “Jurassic World” franchise, likely arose at least three times
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
These Massive, Extinct Salmon Had Spiky Teeth Like a Warthog's Tusks
For decades, scientists thought the teeth pointed downward, similar to those of a saber-toothed cat, but now they believe the fish's chompers jutted out sideways
Paleontologists Unravel Secrets of 'Enigmatic' 33-Foot Prehistoric Shark After Fossil Discovery
Scientists didn't know much about Ptychodus, an ancient shark genus, because its remains were usually just fragments. Now, complete fossils reveal its body shape and hunting habits
Scientists Uncover Bones of Massive Extinct Snake, Comparable in Size to the 43-Foot Titanoboa
The 27 vertebrae discovered in India suggest the enormous creature, dubbed Vasuki indicus, was between 36 and 50 feet long
11-Year-Old Uncovers Fossils of Giant Ichthyosaur in England, the Largest Marine Reptile Ever Found, Scientists Say
The jawbone fragments belonged to an 82-foot-long creature that represents a new species, according to a new study
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
New Extinct Species of Giant Dolphin Discovered in Peru From a 16-Million-Year-Old Skull
Pebanista yacuruna is the largest freshwater dolphin ever found, but it is more closely related to today's river dolphins of South Asia than those in the Amazon
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”
Archaeologists Keep Finding Preserved Human Brains. But How Do the Organs Remain Intact?
Scientists have unearthed more than 4,400 human brains—some more than 12,000 years old—making them less rare than thought, a new study finds
Why Did Seals and Sea Lions Never Commit to a Life Fully at Sea?
While whales moved from living on land to an existence immersed in water, pinnipeds embraced an amphibious lifestyle
Ten Wild Facts About Octopuses: They Have Three Hearts, Big Brains and Blue Blood
These bizarre creatures have been around for hundreds of millions of years, and for humans, they’ve inspired horror, admiration and culinary prestige
'Strange' New Prehistoric Bird Discovered in China and Named for David Attenborough
The proto-bird lived some 120 million years ago and did not have teeth—a trait more similar to birds of today than to birds of its time—sharpening scientists' understanding of avian evolution
Fossil Hunter Discovers Gigantic Crab in New Zealand—a New, Extinct Species
The massive creature is 8.8 million years old, and its modern descendants in Australia can grow to be the weight of a human toddler
These Ancient Celts Were Buried With Their Animals
Some remains found in the 2,000-year-old graves were likely food offerings, but others may have been much-loved companions
Paleontologists Discover Two New Shark Species From Fossils in Mammoth Cave National Park
The "active predators" prowled the oceans more than 325 million years ago, before the time of Pangea
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
Uncovering the Secrets of Colombia's Rich Fossil Deposits
Paleontologists are working hard to understand oceanic remains buried high in the Andes
Rare Fossil Shows Trees Looked Very Different 350 Million Years Ago
The newly discovered specimen looks like something from the imagination of Dr. Seuss, and it sheds light on a little-understood era of prehistory
Stone Age People Used This 35,000-Year-Old Woolly Mammoth Tusk Tool to Make Rope, Scientists Say
To test their hypothesis that the perforated object was a tool, researchers used a replica to create a 16-foot-long rope from cattail reeds
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