
Shovel-Tusker Was Actually a Saw-Tusker
The prehistoric elephant used its shovel-shaped mouth to cut, not scoop

Shovel-Tusker Was Actually a Saw-Tusker
The prehistoric elephant used its shovel-shaped mouth to cut, not scoop

Paleo Profile: Bob Weir's Otter
This ancient otter is named in honor of a real rock star

Did Saber Cats Have Spotted and Striped Coats?
Modern cat colors fill in pelage possibilities for extinct species

Puma Leftovers Confuse the Record of Human History
Big cats have added to, and sometimes confounded, the archaeological record

Paleo Profile: The Rio do Rasto Tooth
This newly named protomammal had forward-curving tusks

Yale's Mysterious Fossil Beast
Despite being discovered over a century ago, Synoplotherium is still an enigma

Paleo Profile: The La Luna Snake
This swimming snake is the oldest yet found in northern South America

Early Ichthyosaur Marks Marine Reptile Boom and Bust
This new fossil outlines the rise and fall of fish-like reptiles.

Paleo Profile: Knight's Egyptian Bat
One of the earliest bats was not only a giant, but an omnivore.

Olduvai's Lions Have a Bone to Pick
A skeletal cache has revealed an unseen aspect of lion behavior.

Paleo Profile: The Maoming Cat
A "false saber cat" skull is the first of its kind found in China

Ice Age Death Trap Yields an Unexpected Carnivore
Bones from Wyoming's Natural Trap Cave turn out to be those of a wolf never before found in the lower 48

Paleo Profile: The Light-Footed Lizard
A mystery for decades, Elaphrosaurus finally finds its perch in the dinosaur family tree

There's Something Fishy about This Fossil Bird
Prehistoric puke reveals what some toothed birds were eating

How Did Dinosaurs Have Sex? [Excerpt]
Once considered beyond the reach of science, insights into the love lives of these extinct giants are emerging

Virgin Births Seen in Wild Vipers
A recently examined snake brood represents the first example of wild facultative parthenogesis in a sexually reproducing species

Dinosaurs Might Have Had Warm-Blooded Animals' Fast Metabolism
Evidence is mounting against claims that dinosaurs could not have been endothermic, including a new analysis of fossil microstructures found in ruminants, lizards, dinosaurs and crocodiles

Ancient Human Had Feet Like an Ape
A recently discovered fossil foot hints that tree-dwellers lived alongside species built for walking

"Alternative Evolution" of Dinosaurs Foresaw Contemporary Paleo Finds [Slide Show]
What if, by some fluke of evolutionary history, dinosaurs never went extinct? A geologist's imaginings of this scenario now bear a remarkable resemblance to creatures preserved in recent discoveries

Lousy with Success: Genetics Reveal Fossil Lice as Evolutionary Champions [Slide Show]
Lice lineages began to split and diversify during the late Cretaceous, when dinosaurs, birds and early mammals probably were on the resilient parasites' menus

Breaking our link to the "March of Progress"