Fossils of the world’s oldest megaraptorid and the first-ever carcharodontosaurs in Australia have been discovered, completely altering the known predator hierarchy of the Cretaceous era. These finds ...
A reader recently complained of irritation by columnists like Jeff Schapiro and Michael Paul Williams ("RTD neglects conservative readership," Feb. 1). I also have been irritated by editorials ...
Macronaria, a group of mostly colossal sauropod dinosaurs, comprised the largest terrestrial vertebrates of Earth’s history. However, some of the smallest sauropods belong to this group as well. The ...
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