Sharks are portrayed as terrifying predators on the prowl for human flesh, but in reality, sharks are custodians of the ocean ...

The world's two gigantic ice sheets are in greater peril from global warming than previously thought, a study published May 20 says.

Greenland is covered by more than 650,000 square miles of ice – a massive, frozen ice sheet that blankets the island and slowly flows toward the ocean. But as the climate warms, the ice is melting and ...

The polar regions are cold, remote and off-putting, but there are thousands of polar words in English – and not just words ...

Scientists believe that the motion of Earth's continents through plate tectonics has been largely steady over millions of years. New research, however, suggests this drift can speed up or slow down ...

Rising temperatures are accelerating the melting of the Greenland Ice Sheet, the largest ice mass in the Northern Hemisphere. The impact, coupled with warming oceans, has altered the area’s ...