overweight or obese does not increase your risk of dying, a study finds.
The tyrannosaur skeleton is one of many fossils most likely from Mongolia for sale online and through auction houses.
A highly reactive mineral found in an Indonesian lake also hints at how Earth’s atmosphere was transformed.
A Florida fossil dealer who restored a tyrannosaur says a dispute over it has cost his family greatly.
After millions of years in the ground, a tyrannosaur skeleton landed in an auction, then at the center of a lawsuit. Follow its journey in photos.
A dinosaur that Mongolians say was taken illegally from their country went into federal custody today.
The final mutant flu study details how as few as five mutations can allow H5N1 to transmit through air.
Last month wrapped up the warmest spring on record for the continental U.S. and approached the world record for the month.
Wild animals' social networks can provide insight into many things, including mate selection and the spread of disease.