There are some 700 known dinosaur species, but this number could change with more discoveries. Dinosaur footprints in the Connecticut River Valley rate as the first known evidence of dinosaurs ...
A pivotal new dinosaur study is finally settling a fierce, four-decade-long debate: Was the small tyrannosaur Nanotyrannus a distinct species or merely a teenage Tyrannosaurus rex? Now, a remarkably ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!1038783~!0#focus ...
Stegosaurus stands as one of the most recognizable dinosaurs from the Jurassic period. Its distinctive plates and spiked tail continue to raise questions about function and behavior. Fossil ...
There’s been speculation, but no solid proof. By Andrew Coletti Published Dec 1, 2025 9:00 AM EST Get the Popular Science daily newsletter💡 Breakthroughs ...