IFLScience on MSN3mon
The Largest Extinction Event In Earth's History Occurred 250 Million Years Ago
If you thought the mass extinction caused by the Chicxulub asteroid impact 65 million years ago was bad, think again. Travel ...
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Scientists find ancient 250-million-year-old seafloor from the time of dinosaurs hidden in Earth’s mantle
It’s an important discovery that sheds light on a tectonic boundary that subducted beneath the Pacific Ocean during the age of dinosaurs — approximately 250 million years ago. And it could ...
National Geographic news2y
The Permian extinction—when life nearly came to an end
About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than 5 percent of the animal species in the seas survived. On land ...
PBS3mon
Birth of the Himalaya
Over two hundred fifty million years ago, India, Africa, Australia, and South America were all one continent called Pangea. Over the next several million years, this giant southern continent ...