Paleontology
Newborn megalodon sharks were larger than most adult humans
Preserved pieces of backbone suggest that megalodon sharks were about 2 meters long at birth.
Paleontology
More Stories in Paleontology
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PaleontologyWhy South America’s ancient mammals may have lost out to northern counterparts
When North and South America joined millions of years ago, mammals from the north fared better in the meetup. Extinctions in the south may be why.
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HumansThe longest trail of fossilized human footprints hints at a risky Ice Age trek
Researchers have discovered the world's longest trail of fossilized human footprints at White Sands National Park, New Mexico.
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PaleontologyBat-winged dinosaurs were clumsy fliers
The two known species of bat-winged dinosaurs were a dead end when it comes to the evolution of bird flight, a new study finds.
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PaleontologyCannibalism in the womb may have helped megalodon sharks become giants
The ancient sea terror Otodus megalodon may have grown to at least 14 meters long thanks to a firstborn pup’s predatory behavior, some researchers say.
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AnimalsA tiny crustacean fossil contains roughly 100-million-year-old giant sperm
Giant sperm preserved in an ancient ostracod may be the oldest known sperm fossil, showing that giant sperm have existed at least 100 million years.
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PaleontologyAncient Lystrosaurus tusks may show the oldest signs of a hibernation-like state
Oddball ancestors of mammals called Lystrosaurus might have slowed way down during polar winters.
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PaleontologyThis ichthyosaur died after devouring a creature nearly as long as itself
Ichthyosaurs, marine reptiles generally thought to munch on soft prey like cephalopods, may have chowed down on fellow big marine reptiles, too.
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PaleontologyAn ancient skull hints crocodiles swam from Africa to the Americas
A group of crocs, or at least one pregnant female, may have made a transatlantic journey millions of years ago to colonize new land.
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PaleontologyThis dinosaur may have shed its feathers like modern songbirds
One of the earliest flying dinosaurs, the four-winged Microraptor, may have molted just a bit at a time so that it could fly year-round.