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

A recently published study shows that California’s beaches have grown by a net total of some 500 acres over the last 40 years, a surprising conclusion, given all that’s previously been reported about ...

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s ...