Polar scientists thought it was a dirty iceberg at first.

Antarctica’s biggest and oldest free‑floating iceberg is undergoing a startling transformation, with its once white surface now streaked by vivid pools of blue. The color shift is more than a visual ...

For nearly 40 years, iceberg A-23A has been one of scientists' most closely watched giants after breaking free from Antarctica’s Filchner Ice Shelf. Since 2020, we’ve been captivated by its endless ...

Laura French made the journey with Swan Hellenic to explore this remote part of the world, where Ernest Shackleton was once ...

One of the largest and oldest icebergs is now melting very quickly, ending its 40-year journey across the southern ocean.

An enormous iceberg that split off from the Antarctic ice sheet decades ago has turned an alarmingly bright shade of vivid blue — an alarming indication that it’s about to undergo complete ...

Teams of scientists sailing to Antarctica's Thwaites Glacier, nicknamed the Doomsday Glacier, are having trouble getting there. A giant iceberg, spawned by the falling apart Florida-sized glacier, and ...

As expected, a behemothic iceberg roughly twice the size of New York City has broken off in Antarctica. As NASA Earth Observatory made clear earlier this week, however, this isn’t actually a cause for ...