The quandaries posed by the nuclear film pantheon are the same ones experts in the nuclear threat reduction community face ...
DeGrasse Tyson, the world-renowned astrophysicist, spoke in front of 4,000 people at a summit in Erie in Oct. 29.
Dinosaur Discovery on MSN
When the Sky Fell: The Asteroid That Ended the Age of Dinosaurs
In one violent moment, the Cretaceous world ended. Using geological evidence, fossilized ash layers, and crater data from ...
The Associated Press on MSN
Dinosaurs thriving in North America before mass-extinction asteroid strike: Study
New research suggests that dinosaur populations were thriving in North America before the asteroid impact 66 million years ago that caused mass extinction ...
Dinosaurs appear to have been thriving before a giant asteroid hit the Earth 66 million years ago, paleontologists working in ...
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 ...
Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...
Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...
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