But the vortex, scientists say, only got into its modern grove 12-14 million years ago. Sea ice is simply frozen ocean water. It forms, grows, and melts in the ocean. It floats on the surface of ...

(AP) — A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing ... and that warm water draws the manatees in when it gets cold,” Shanker said. Ocean water is sucked in from ...

Scientists predict that A23a, the largest iceberg in the world, might spend years trapped in its massive circle. This iceberg ...

The world’s largest iceberg is still on the move and there are fears that it could be headed north from Antarctica towards the island of South Georgia.