“T. rex: The Ultimate Predator,” a new exhibit in New York City, draws on the latest science to provide a fresh look at Tyrannosaurus rex and its relatives.
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Troves of Cambrian fossils are known at more than 50 places around the world. Here are five standout spots.
Packing overdose medication into nanoparticles could help it better counteract dangerous synthetic opioids.
Researchers are seeking ways to break the link between preschool worries and adult anxiety.
Scientists are working out how Trichomonas vaginalis, one of the most prevalent sexually transmitted infections, causes problems in women and men.