A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida and its manatee ...

A polar vortex that hit much of the U.S. with ice and snow has dealt a glancing blow to Florida and its manatee population.

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

The world's biggest iceberg is on the move again after being trapped in a vortex for most of the year. A23a is 3,800 sq km (1,500 sq miles), which is more than twice the size of Greater London, and is ...

The world's largest and oldest iceberg has resumed its drifting journey in the Southern Ocean after spending nearly a year trapped in a water vortex. A23a, a 1,500-square-mile 'mega-berg', had been ...