With some of the world’s clearest skies, the Elqui Valley on the edge of the Atacama Desert offers an unparalleled lens into ...

Could Spinosaurus swim? A new fossil with a scimitar-like head crest provides new evidence on the unsettled question.

City surveyors in Melbourne Beach, Florida, heard an unusual chirping under a road on Feb. 9 while doing routine work, and thought it could be coming from rats. Instead, they discovered a 7-foot-long ...