Smithsonian Magazine on MSN
The Dinosaurs of North America Were Thriving Up Until an Asteroid Wiped Them Off the Face of the Earth, Scientists Argue
A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...
ZME Science on MSN
New Fossils Show Dinosaurs Were Thriving Until the Final Asteroid Strike
Fossils from New Mexico change how we look at dinosaur history.
Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...
However, when the asteroid slammed into Earth, it carried with it a payload of the element, which settled over much of the planet in a fine layer. The iridium-rich layer of sediment, which defines the ...
Dinosaurs’ extinction “re-engineered” Earth’s surface, according to new research. The reptiles had such an “immense” impact on the planet that their sudden exit led to wide scale changes in landscapes ...
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