Satellite data shows that Antarctic ice sheets have grown in size, prompting claims that climate change is in reverse or even ...

Scientists who have used satellites to track the iceberg's decades-long meanderings north from Antarctica have codenamed the iceberg A23a. But up close, numbers and letters don't do it justice.

The A23a iceberg (CR) drifting toward South Georgia Islands, in the Southern Ocean. Picture: Handout / NASA / AFP However in its current location, the iceberg could offer benefits to wildlife.

The world’s biggest iceberg, named A23a, has come to a standstill as it appears to have run aground in shallow waters off the remote island of South Georgia after drifting around the Southern ...

A23a started to drift up through the Southern Ocean in 2020, when currents put it on a possible collision course with South Georgia. The iceberg and the island are about the same size in square miles.

A23a weighs nearly a trillion metric tons, making it the world’s largest active iceberg. It calved from Antarctica in 1986, making it the world’s oldest berg.

A23a’s travels began in 2020, when it freed itself from the sea floor and began to move. By 2023, it was ready to leave Antarctic waters entirely. A wandering iceberg’s decades-long journey.

Iceberg A23a has been a concern for scientists since it broke away from the Antarctic ice shelf in 1986. After remaining immobile for over three decades, the iceberg finally broke free in 2020 and ...

An iceberg seen on NASA’s Aqua satellite, known as A23a, center, is visible as it heads toward South Georgia Island, top, on Jan. 15, 2025, off the coast of Antarctica.

Iceberg A23a, one of the world's largest and oldest icebergs, is advancing towards South Georgia, a British territory that is a wildlife paradise located about 280 kilometers away.