Historically, there have been four oceans: the Atlantic, Pacific, Indian, and Arctic. On Feb. 9, U.S. Secretary of the Interior Doug Burgum announced the Gulf of Mexico had officially been changed to ...

Despite being tied together beneath the surface, these regions diverge sharply above it. Iceland and the Azores are ...

The world still holds mysteries, even the size of continents. And sometimes, the greatest discoveries are the ones we were never quite sure existed.

They found that the rotational pole may drift by 27 meters (88 feet) by 2100, relative to its position in 1900. That’s under ...