"Last crocodile in Europe" unearthed 4 million years after it vanished
Researchers have uncovered more than 500 fossils of ancient animals large and small at a site in Spain, including the remains of a crocodile.
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New ancient shark species discovered hidden in world's largest cave system
The previously unknown shark, which lived more than 300 million years ago, was identified from fossilized teeth found in Kentucky's Mammoth Cave National Park.
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Receding Lake Powell reveals "extremely rare" fossils
The fossils, which include the bones and teeth of a tritylodontid, are the first tritylodontid bonebed found in Utah's Navajo Sandstone.
Humans hunted and butchered a cave lion 48,000 years ago, skeleton suggests
The findings represent the "earliest direct evidence of a large predator being hunted and killed in human history," researcher Gabriele Russo told Newsweek.
Bizarre 535-million-year-old creature discovered with rare preserved muscle
"Such fossils are extremely rare—literally a needle in a haystack," Virginia Tech researcher Shuhai Xiao told Newsweek.
"Gigantic" 122-million-year-old dinosaur discovery is among largest found
The remains of the previously unknown species of dinosaur include vertebrae measuring over 3 feet wide and a six-foot-long leg bone.
Bizarre 465-million-year-old creature found with gut contents preserved
This is the first time that scientists have discovered a fossil specimen of this prehistoric animal with its gut contents preserved.
Dozens of preserved dinosaur footprints from 150 million years ago found
Researchers discovered three sites containing a diverse range of dinosaur tracks and one set that a pterosaur may have made.
Dinosaur-like fossil discovered, providing clues into evolution of birds
The fossil is giving archaeologists important insights into the evolution of birds in the terrestrial ecosystem at the time.
Dinosaur footprints emerge amid severe drought in Texas
The footprints belong to an Acrocanthosaurus—a carnivore that lived from 113 to 110 million years ago
Sex surge between early human species explained in new study
Changes in climate shifted vegetation and the overall habitat, meaning the paths of two ancient human subspecies crossed quite often.
Prehistoric creature with "gnarly teeth" and "fang-like tusks" discovered
The giant amphibian species measured almost 4 feet in length and lived around 240 million years ago.
Fossil flamingo egg over 8,000 years old discovered at "Mammoth Central"
The fossil egg is the first from the flamingo family of birds to be found in the Americas, and only the second occurrence of such a finding worldwide.
Gigantic new species of ancient whale may be heaviest animal ever to exist
Weight estimates for the now-extinct whale species, named Perucetus colossus, rival or even exceed those of the blue whale.
"Swimming predators" that lived 500 million years ago found in Rockies
Researchers found more than 170 fossil specimens that are remarkably well-preserved despite their age.
Mysterious scaly fossil found in Alabama stream
"I've been to this spot hundreds of times but never noticed the fossil until then," Tristen Klavenga told Newsweek.
New species of scorpion from 240 million years ago discovered in museum
The scorpion has been preserved almost intact, complete with eyes, legs and stinging tail.
New dinosaur species from 150 million years ago is largest of its kind
The previously unknown creature, which may have measured up to 23 feet in length, has been named after Spanish-Mexican film director Luis Buñuel.
Archaeologists make "significant discovery" of ancient pygmy hippo fossils
It is the first time that such a "high concentration of pygmy hippopotamus fossils" has been found in Greece, one of the paleontologists said.
Extraordinary 125 million-year-old fossil shows dinosaur in "mortal combat"
The fossil is a "very rare" document of a mammal hunting a dinosaur. The two creatures were preserved together when they were killed by a volcanic mudslide.
Retired geologist discovers dinosaur footprints from 100 million years ago
The footprints were from the Late Cretaceous period and belonged to a huge, armored dinosaur.
Woodpecker fossil from 200,000 years ago found in 'staggering' condition
The fossil was found preserved in rock in a stone quarry, and is now on display in a local museum.
240-million-year-old long-necked reptiles were decapitated by predators
Fossils of neck bones with bite marks on them have revealed that ancient Triassic-era Tanystropheus had their heads bitten off.
Extinct hippo-like creature discovered hidden in museum: "Sheer chance"
The discovery was made in the Smithsonian National Museum of Natural History in Washington, D.C., which holds almost 150 million objects.
Ancient dolphin discovered with teeth spikes "unlike any seen today"
Scientists think the dolphin "would have rapidly swung its head from side to side to injure or stun prey, making them easier to catch and eat."
Small-headed, long-necked dinosaur that weighs same as humans discovered
The creature is the smallest known sauropod—a dinosaur group that includes the largest land animals ever—from the Jurassic Period.
Giant ancient lizard covered in thick armor and spikes found—"Bizarre"
The creature, which went extinct around 50,000 years ago, is "one of the most bizarre lizards found in recent times," researchers said.
Prehistoric shark species from ancient marine ecosystem discovered
Researchers have identified 17 extinct shark and ray species that lived in the same ecosystem around 58 million to 56 million years ago.
Graveyard of extinct elephants from 5 million years ago found in Florida
The once-in-a-lifetime skeleton is the most complete gomphothere fossil from its time period discovered in Florida.
Woman finds enormous tooth of prehistoric megalodon ancestor
"I thought right away that it looked similar to a shark's tooth, but was confused because it was quite a large size," Rachel Shill Cook told Newsweek.