A Canada jay (Perisoreus canadensis) perches on a branch in upstate New York’s Adirondack Park. This photo was the bronze award winner in the Best Portrait category.
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Nicknamed “Gus,” this Tyrannosaurus rex is reportedly one of the biggest, most complete, and most expensive dinosaur fossils ever to be sold via a commercial auction.
A case of mistaken identity resolved decades later.
Fossilized spores confirm that legions of fungi made a meal of Earth’s dying dinosaurs.
The small, plant-eating Lystrosaurus thrived post-extinction, while its predators suffocated to death. Its eggs played a critical role.
A comprehensive analysis of Tyrannosaurus rex fossils is surprising scientists with just how long these apex predators took to become big boys.
