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 ...
Scientists Found 52-Foot-Tall Underground Ripples From the Asteroid That Killed the Dinosaurs
The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...
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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 ...
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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 ...
Earth's orbital rhythms link timing of giant eruptions and climate change
An international team of scientists has synchronized key climate records from the Atlantic and Pacific Oceans to unravel the ...
A 62-million-year-old skeleton sheds light on an enigmatic mammal
Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery.
This extinct tree-dwelling mammal may be among humans’ closer relatives
Mixodectes belonged to an extinct family known as mixodectids and lived during the Paleocene epoch. This geological epoch ...