Add Yahoo as a preferred source to see more of our stories on Google. A massive green swirl of algae in the sea. quick facts Where is it? The Gulf of Finland in the Baltic Sea. What's in the photo? A ...

The world's largest iceberg, A23a, is stuck again. For more than 30 years, the giant frozen block — equivalent to the size of Rhode Island — was grounded on the sea floor in Antarctic coastal waters.

The biggest iceberg in the world has become trapped, traveling in a gigantic circle, and may be stuck there for years. The iceberg, named A23a, is about 1,640 square miles in area, slightly larger ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather ...