A mysterious animal discovered in southern Brazil is unlike anything seen before — part wild fox, part domestic dog.

A massive wall stretches nearly 200 miles across Mongolia’s desert, hiding secrets of a forgotten empire. Recent discoveries ...

A sudden shift high above the Arctic is stirring up unexpected chills across northern Europe. This rare atmospheric event ...

A 183-million-year-old fossil with preserved skin and scales is rewriting everything we thought we knew about how ancient sea ...