Microraptorines were bird-like dinosaurs that possessed some flight adaptations. A new fossil species from the early Cretaceous, Norellraptor barsboldi, suggests that this group evolved their own flig...

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The Financials Behind Why It Could Not Be SavedThe death spiral and the arithmetic of resurrection of the Academy of Natural Sciences in Philadelphia  Quick Background I study sauropod dinosaurs, most...

The Academy’s penultimate location at the corner of Broad & Sansom Streets, Philadelphia, where Hadrosaurus foulkii first stood, circa 1840 It’s been almost a week since the news ab…

Photo: Amber Redfield On July 17th, 1872, the preeminent paleontologist Joseph Leidy — who would later be described by contemporaries around the world as “the last man who knew everything&#82…

Gigantoraptor erlianensis is an unexpectedly large-bodied oviraptorosaurian dinosaur from the Late Cretaceous of Inner Mongolia, China. Exhibiting a bizarre body plan, G. erlianensis is key to reve...

The fossil record of the six living smaller arachnid orders is reviewed. Palpigradi (palpigrades) are represented by two fossil species, respectively from the mid-Cretaceous Burmese amber of Myanmar a...

Morphological illustrations are crucial in research on insect taxonomy and phylogenetics. Although traditional manual drawing and digital tracing techniques have undergone continuous evolution, they ...