As Trump questions the loyalty of a NATO ally, CBS News joins one of its warships taking part in a drill far from home, aimed ...

How moving tectonic plates and rising heat from deep within Earth created one of the ocean’s largest canyons. On land, giant canyons like the Grand Canyon are usually the slow handiwork of rivers that ...

History tends to cluster its explorers in the same few centuries, often skipping earlier figures whose journeys left fewer ...

Iowa's own artificial island over 7,000 miles away is a curious tale of ambition and abandonment, with just a handful of its ...

Trump's Greenland focus highlights urgent Arctic security needs as Sen. Sullivan reveals new U.S. defenses against ...