Sign up for CNN’s Wonder Theory science newsletter. CNN — Matching sets of footprints discovered in Africa and South America reveal that dinosaurs once traveled along a type of highway 120 million years ago before the two continents split apart, according to new research. “One of the youngest and narrowest geological connections between Africa and South America was the elbow …
Sign up for CNN’s Wonder Theory science newsletter. CNN — Three-toed fossil footprints that date back more than 210 million years were pressed into soft mud by bipedal reptiles with feet like a bird’s, a new analysis of the tracks has revealed. “But there’s always going to be that zone of uncertainty, just in the nature of the data that …