New Evidence Points to Asteroid as Cause of Dinosaur Extinction
New Evidence Points to Asteroid as Cause of Dinosaur Extinction
Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.
New Evidence Points to Asteroid as Cause of Dinosaur Extinction
New Evidence Points to Asteroid as Cause of Dinosaur Extinction

Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.

Carbon cycle modeling and paleotemperature records argue that an asteroid impact—not volcanic fumes—was the main driver of the dinosaur die-off.

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Image of the Day: Shrinking Dinosaurs
Image of the Day: Shrinking Dinosaurs
Emily Makowski | Jan 3, 2020
As dinosaurs got smaller, their metabolism increased, paving the way for bird evolution.
Image of the Day: Feather Feeders
Image of the Day: Feather Feeders
Emily Makowski | Dec 11, 2019
These ancient insects ate dinosaur feathers during the Cretaceous period.
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Emily Makowski | Oct 25, 2019
The site, Corral Bluffs in Colorado, also reveals how plants evolved and how ecosystems rebounded after the asteroid impact.
Who Owns the ‘Dueling Dinos’? Montana Supreme Court To Decide
Who Owns the ‘Dueling Dinos’? Montana Supreme Court To Decide
Ashley P. Taylor | Jul 11, 2019
The answer has broad implications for paleontology research—and maybe for museum collections, too.
Fossilized Dino Bones Are Home to Diverse Microbial Communities
Fossilized Dino Bones Are Home to Diverse Microbial Communities
Catherine Offord | Jun 28, 2019
A study fails to detect ancient proteins among the microbes, adding to the debate about whether peptides can survive tens of millions of years underground.
Image of the Day: Bat-like Wings
Image of the Day: Bat-like Wings
Chia-Yi Hou | May 9, 2019
Paleontologists find a fossil of a dinosaur, Ambopteryx longibrachium, with membranous wings, in China.
Image of the Day: New Tyrannosauroid
Image of the Day: New Tyrannosauroid
Chia-Yi Hou | May 7, 2019
Fossils of two dinosaur skeletons found in New Mexico are from a species new to science that lived 92 million years ago.
Image of the Day: Passive Flapping
Image of the Day: Passive Flapping
Chia-Yi Hou | May 3, 2019
A robot model of a winged but flightless dinosaur suggests the dinosaur may have flapped its wings while moving on the ground.
Animals in North Dakota Died from Chicxulub Asteroid in Mexico
Animals in North Dakota Died from Chicxulub Asteroid in Mexico
Chia-Yi Hou | Apr 1, 2019
Fossils reveal the quick death of plants and animals from a massive surge of water after the impact 66 million years ago, which is thought to have spelled the demise of dinosaurs.