In A Nutshell Mars was erupting while T. rex roamed Earth: A Martian volcano system was active between 64 and 50 million years ago, overlapping with the age of dinosaurs and early mammals on our ...

Around 201 million years ago, a mass extinction wiped out 75% of the species on Earth. This was not the asteroid that caused the extinction of the dinosaurs but an earlier event that ultimately led to ...

The mass extinction that wiped out nearly all life on Earth just before the dinosaurs evolved may have been caused by a global temperature drop rather than a rapidly warming climate. The End Triassic ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers have uncovered evidence of what led to the Triassic-Jurassic extinction about 201.6 million years ago. Columbia ...

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