Paleontology
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PaleontologyAncient otter of unusual size unearthed in China
Fossils unearthed in China reveal a newly discovered, now-extinct species of otter that lived some 6.2 million years ago.
By Meghan Rosen -
PaleontologyAncient giant otter unearthed in China
Fossils unearthed in China reveal a newly discovered, now-extinct species of otter that lived some 6.2 million years ago.
By Meghan Rosen -
PaleontologyBaby dinosaurs took three to six months to hatch
Growth lines on teeth indicate a surprisingly long incubation period.
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EarthCoastal waters were an oxygen oasis 2.3 billion years ago
Coastal waters contained enough oxygen to support complex life-forms including some animals hundreds of millions of years before fossils of such life first appear.
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PaleontologyAncient oddball invertebrate finds its place on the tree of life
Ancient marine invertebrates called hyoliths may be more closely related to modern horseshoe worms than mollusks, a fossil analysis finds.
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PaleontologyReaders weigh in on dinos, dark matter and more
Ancient bird calls, the search for dark matter and more in reader feedback.
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PaleontologyTomatillo fossil is oldest nightshade plant
Two 52-million-year-old tomatillo fossils in Patagonia push the origin of nightshade plants back millions of years, to the time when dinosaurs roamed.
By Meghan Rosen -
EarthFossil microbes show how some life bounced back after dino-killing impact
Pioneering microbes colonized the waters above the Chicxulub crater within hundreds of years following the impact, new research shows.
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PaleontologyDinosaur tail preserved in amber, with feathers
The tail of a dinosaur trapped in amber includes both feathers and identifiable bits of bone.
By Meghan Rosen -
PaleontologyCretaceous bird find holds new color clue
New molecular clues in 130-million-year-old bird fossil could help paleontologists firm up case for ancient color in dinosaurs.
By Meghan Rosen -
PaleontologyDinosaurs may have used color as camouflage
Fossilized pigments could paint a vivid picture of a dinosaur’s life.
By Meghan Rosen -
PaleontologyDragon dinosaur met a muddy end
‘Mud dragon’ fossil discovered in China suggests that dinosaurs’ last days were an active time of evolution.
By Meghan Rosen