Accidental discoveries happen all the time in science, but the biggest reptile ever was accidentally discovered by an 11-year-old kid.

The world's biggest iceberg — 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.

Game of Thrones style ice wall on course to hit British island - The world’s largest iceberg, stretching from horizon to horizon, is on course to hit South Georgia Island ...

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

At around 620 miles high, these subsurface “islands of rock” stand more than 100 times higher than Mount Everest’s summit of around 5.5 miles, ...