Fossils
The challenge of dinosaur hunting in deep caves
Spelunkers aren’t the only people to find caves interesting. So do paleontologists. Though getting to work may be harrowing, they find it’s worth it.
Fossils
More Stories in Fossils
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FossilsLet’s learn about dinosaur extinction
Dinosaurs disappeared 66 million years ago, at the end of the Cretaceous. What made them go extinct?
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FossilsScientists Say: Fossil
Under the right conditions, living things or traces they’ve left behind can be preserved in rock for a long time — millions or billions of years.
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FossilsSmall T. rex ‘cousins’ may actually have been growing teens
Dinosaurs once thought to be mini cousins of Tyrannosaurus rex may have been merely adolescent members of the famous species, a new study suggests.
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AnimalsBlood vessels in their heads kept big dinos from overheating
Giant dinosaurs evolved several ways to cool their blood and avoid heatstroke.
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FossilsFossils show mammals’ rise to dominance after the dino-killing asteroid
What happened to mammals after an asteroid wiped out the dinosaurs? Newfound fossils show how they grew in size, eventually dominating much of life on Earth.
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FossilsScientists Say: Paleontology
This is the study of prehistoric life based on fossils of microbes, plants, and animals found in rock.
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FossilsA flexible bone that aids mammals in chewing arose during the Jurassic
A flexible bony structure that helps with chewing may have helped give rise to the Age of Mammals, a new fossil suggests.
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AnimalsAncient crocodiles may have preferred chomping plants, not meat
Fossil teeth of ancient crocodilians suggest that some ate plants and that such green diets evolved in crocs at least three times more than 60 million years ago.
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EarthReliving the last day of the dinosaurs
The Chicxulub crater is helping reveal what happened on the day a 12-kilometer-wide asteroid slammed into the Gulf of Mexico, 66 million years ago.