Iceberg B-44 from off Pine Island Glacier floats into the Amundsen Sea. ... but West Antarctic glaciers are eroding due to the flow of warm ocean water beneath them.

An average-sized iceberg floating off the coast of Canada would be able to supply water to more than 200,000 people for a year, Birkhold said. "These chunks of water are just unfathomably big ...

"It's a trillion tons of ice," as one expert told NPR. Now the largest iceberg in the world, A23a, is on the move after decades of being grounded on the seafloor.

A fish harvester from Carbonear, N.L., snapped a photo of a black iceberg while fishing for shrimp of the coast of Labrador ...

Iceberg lettuce is low in vitamins and minerals, but it has high water content and is low in calories. Learn about the nutritional profile of iceberg lettuce.

The figure is so astronomical that it is difficult to pronounce: 4,700,000,000,000,000. The ice cap has lost 4.7 million billion liters of water since 2002.