In the limestone heartlands of southern China, massive sinkholes known astiankengs are revealing untouched ecosystems and ...

Archaeologists recently uncovered a trove of artifacts from a 17th-century military camp in Germany. Some of the findings ...

President Donald Trump said Friday negotiations between Ukraine and Russia are "coming to a head" and insisted that neither ...

While Congress often ignores a president's budget request, the proposed elimination of Head Start highlights the ...