Chinese fossil eggs show dinosaur decline before extinction
Nearly 66 million years ago, a large asteroid hit Earth and contributed to the global extinction of dinosaurs, leaving birds as their only living descendants.
Nearly 66 million years ago, a large asteroid hit Earth and contributed to the global extinction of dinosaurs, leaving birds as their only living descendants.
Paleontology & Fossils
Sep 19, 2022
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613
The hallmarks of sexual selection can be found in some animals long after they have died.
Evolution
Sep 16, 2022
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50
Determining what killed the dinosaurs 66 million years ago at the end of the Cretaceous Period has long been the topic of debate, as scientists set out to determine what caused the five mass extinction events that reshaped ...
Earth Sciences
Sep 12, 2022
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376
The meteorite that wiped out Earth's dinosaurs instantly ignited forest wildfires up to thousands of kilometers from its impact zone, scientists have discovered.
Earth Sciences
Sep 7, 2022
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124
Scientists have identified a new species of long-extinct otter in Ethiopia that was the size of a modern lion. Weighing an estimated 200 kilograms, or 440 pounds, it is the largest otter ever described; it would have rubbed ...
Paleontology & Fossils
Sep 7, 2022
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1288
A team of environmental scientists has written a follow-up paper to their study published last year that warned that approximately one-third of tree species around the world are in danger of extinction. In this new paper, ...
More than half of species whose endangered status cannot be assessed due to a lack of data are predicted to face the risk of extinction, according to a machine-learning analysis published Thursday.
Ecology
Aug 4, 2022
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89
Coral reefs are home to a spectacular variety of fish. A new study by biologists at the University of California, Davis shows that much of this diversity is driven by a relatively recent innovation among bony fish—feeding ...
Plants & Animals
Jul 27, 2022
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196
A professor emeritus at Tohoku University has unearthed evidence pointing to a strong relationship between the magnitude of mass extinctions and global temperature changes in geologic times.
Earth Sciences
Jul 22, 2022
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408
Climate change is causing a mass extinction the likes of which has not been seen in recorded history. For birds, this biodiversity loss has implications beyond just species loss. In research publishing in the journal Current ...
Plants & Animals
Jul 21, 2022
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63