New study reveals that raging flames impacted Antarctica 75 million years ago when dinosaurs still wandered the earth. Antarctica’s James Ross Island harbored tropical rainforests of conifers, ferns, and angiosperms, as well as a large number of dinosaurs, during the late Cretaceous period (100 million to 66 million years ago), one of the warmest eras on Earth. But it wasn’t all sunshine and roses; ancient pale fires impacted portions of those forests, leaving charcoal residues that scientists have now collected and analyzed.

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