Fossils
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Fossils
Early dino-era start for modern mammals
Fossils of an extinct group of rodent-sized mammals suggest they were related to modern mammals. These ancient remains push back the origin of mammals by many millions of years.
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Fossils
Biggest dino ever?
This plant-eater would have towered over even a T. rex. A truly huge brute, Dreadnoughtus means ‘fear nothing.’
By Janet Raloff -
Fossils
Feathers: What every dino wore?
A dino discovery in Siberia suggests feathers were common among the ancient ‘lizards.’
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Fossils
Dinos ‘quickly’ shrunk into birds
Scientists had long known birds descended from dinosaurs. A study now shows that the morphing from dinos into birds went along with a quick and steady shrinking of their body sizes.
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Fossils
Some Arctic dinos lived in herds
Fossil footprints retrieved from Alaska indicate that plant-eating duckbill dinos not only traveled as extended families but also spent their entire lives in the Arctic.
By Sid Perkins -
Fossils
Newly dated footprints: Oldest human tracks?
These footprints, found nearly a half-century ago, may be almost four times older than first thought, scientists now report.
By Bruce Bower -
Fossils
Mega-bird!
What may have been the bird world’s biggest flier ever had wings so long, they would have had trouble flapping fast enough to keep it aloft in tough winds. But this behemoth would have been able to soar both far and fast.
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Fossils
This dino-bird is super-feathered
This late-Jurassic dino was also a bird. Its ample coat of feathers emerged before any need for flight.
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Fossils
Hot-blooded dinos? Try lukewarm
New study finds these reptiles may have had an internal furnace that sort of resembled some sharks. It appeared to run neither hot nor cold.
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Fossils
Fossil hunting can start as child’s play
Paleontology isn’t just for professionals. You don’t even need to be a teen to sometimes make startling — and scientifically important — contributions.
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Fossils
Explainer: How a fossil forms
Minerals can replace any bone, shell or once-living tissue and also fill in the spaces between these hard parts, birthing a fossil.
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Fossils
These prehistoric fliers likely nested together
Fossils in nest of newfound pterosaur species suggest these animals were part of a social network — and may even have lived communally.