A wall of ice the size of Rhode Island is lumbering toward a remote island off Antarctica that’s home to millions of penguins and seals.

Over 25 years ago, researchers discovered that some of these deep Earth reverberations pointed to the existence of two underground “super-continents” hundreds of miles beneath Africa and the Pacific ...

Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds.

One of the world's continents is breaking apart faster than researchers previously predicted. The separation would create a new ocean and continent on Earth.