Oldest Dinosaurs Ever Found, Small as a Cat

It was 250 million years ago, and the world had just been through hell. Something -- perhaps an asteroid impact, perhaps a spate of volcanic eruptions darkening the skies worldwide -- had wiped out 70 percent of the life on earth. But scientists now report they have found the footprints of small dinosaurs, preserved in fossilized soil, made less than 2 million years later -- a blink of an eye in geological terms. They are the oldest evidence of dinosaurs ever found. "This would have been...Full Story
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