Tyrannosaurus rex evolved in North America, specifically in Laramidia, the western half of the continent.
This is the first finding of Zhelestidae in Mongolia, changing the understanding of their distribution.
Student expedition leads to discovery of a large vertebra belonging to an Alamosaurus.
Commercial collectors have discovered 2.4 times more T. rex fossils than public institutions since the early 1990s.
New research finds gaps in fossil record, not actual extinction trends, explain apparent dinosaur decline.
‘This specimen reflects that iguanodonts had a much greater diversity than previously thought,’ said Bruno Silva of Universidade Nova de Lisboa.
Professor Janis said, "The vegetational habitat was more important for the course of Cretaceous mammalian evolution than any influence from dinosaurs."
Scientists found this therizinosaur had only two fingers on each hand, with 30-centimeter claws used to grasp branches and feed on leaves.
A rare fossil unearthed in Mongolia's Gobi Desert has led to the identification of a new dinosaur species Duonychus tsogtbaatari.
Cranial kinesis allows modern birds to eat a wider variety of foods and use their beaks as multifunctional tools.
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