For Antarctic veterans and novices alike, the first sighting of an iceberg on an expedition stays “closest to your heart.” By Raymond Zhong Reporting from the icebreaker Araon en route to Antarctica.

Nearly 400 miles off the coast of Antarctica, the Earth’s largest iceberg — whose sprawling surface covers more than 1,600 square miles — is spinning like a top. The iceberg, dubbed A23a, is caught in ...

Iceberg A-23A first broke away from Antarctica in 1986. That was nearly forty years ago. Now the iceberg is far from where it began, floating in the South Atlantic, darker in places, soaked through ...

When I think about the Arctic, I picture frigid waters filled with narwhals, polar bears and icebergs. I asked my friend Von Walden how those icebergs got there. He’s a polar scientist at Washington ...

It is no strange sight to see icebergs break off of the Antarctic ice cap and drift away, like the gigantic sheet of ice that is currently heading for the island of South Georgia. But climate change ...

New satellite images of what was once the largest iceberg in the world show warning signs of its imminent demise, revealing extensive pools of aquamarine blue water melting on its surface. NASA’s ...