Idaho State Journal5h
A critical look at the ecology of 'The Land Before Time' and the end-Cretaceous extinction set for April 1
The Idaho Museum of Natural History will hold a fun and lighthearted look at the biology and ecology of the world depicted in ...
Supernovas may have played a role in two of Earth’s largest mass extinctions, study suggests
New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...
Could dinosaurs still exist somewhere in the world?
It’s fun to imagine secret dinosaur survivors living today, hidden in a remote corner of Earth. But the truth of who made it ...
CNN5d
Supernovas may have played a role in two of Earth’s largest mass extinctions, study suggests
Researchers first identified the cause of the end-Cretaceous extinction by the discovery of the “iridium anomaly” — a 1-centimeter-thick (0.4-inch-thick) layer of sedimentary rock rich in ...
KMBC Kansas City3d
Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
“It was the enrichment of iridium in Cretaceous/Palaeogene boundary sediments that was the highly convincing ‘smoking gun’ for the dinosaur extinction when (the) idea was first published in 198 ...
Minnesota Daily22h
‘Dinosaur’ professor ends long career at U
He discounts the view that an asteroid was responsible for the extinction of the dinosaurs. Twenty-two of North America’s 34 known species of dinosaurs were already extinct before an asteroid struck ...