Arthropleura were huge, had a bunch of legs, and likely scavenged on dead bodies. How charming. And now we know what their faces looked like, thanks to new research.
The remnants of a mosasaur show a sea predator that was ill equipped for slashing bites, and likely preferred to swallow its prey whole.
A newly discovered ancestor of the recently extinct carnivores was described today, marking the 88th anniversary of the death of the last thylacine.
The sea cow, which lived between 23 million and 11.6 million years ago, was likely killed by the croc before being scavenged upon by the shark.
More than 260 dinosaur footprints found in South America and Africa match up, serving as a reminder of how young Earth's continents still are.
The dino had a protruding “eyebrow” on the postorbital facial bone, which could mean the creature had a facial horn.
Discovered over a century ago, paleontologists think they've finally cracked the code of the wacky creature's morphology.
The billionaire said the dinosaur "was born in America and is going to stay in America."
The delicate biological structures were miraculously preserved, giving scientists a time capsule into the genomic architecture of the extinct giants.
The last mammoths on Earth survived centuries of genetic drift before dying out some 4,000 years ago, but the ultimate cause of their demise remains unknown.
Lokiceratops rangiformis made its home in parts of what's now northern Montana and is thought to have the largest frill horns ever seen among its kind to date.
The massive bird was adapted for swimming underwater and may have gone extinct when lakes dried up.
An Austrian winemaker found unusually large bones while renovating his wine cellar. Turns out, they were the remains of three mammoths from the Stone Age.
Paleontologists found a new species of echinoderm that was halfway through the process of regeneration when it died.
An ancient shark's position in the family tree is up for debate.
The apex Cretaceous predator likely possessed the intellect of some modern reptiles, according to a team responding to a paper published last year.
An Australian team of recreational cavers and park rangers excavated a nearly complete short-faced kangaroo skeleton in Nightshade Cave.
Vertebrae found in a mine in India could belong to a serpent over twice as big as any modern snake.
Bone fragments could be the remains of an 80-foot ichthyosaur, which would set a new record.
An ancient, spike-covered crocodile relative was discovered in Texas.
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