The world’s largest and most enduring iceberg is splintering into smaller pieces, to the point that it’s no longer the biggest chunk of ice floating in the oceans. The shrinking megaberg, known as ...

On January 13, 2025, iceberg A-84, which is roughly the size of Chicago, broke from the George VI Ice Shelf, a giant floating glacier attached to the Antarctic Peninsula ice sheet, leading to the ...

For the first time, scientists have collected measurements close to a giant iceberg, giving an unprecedented window into the impact of meltwater on the surrounding Southern Ocean and ecosystem. The ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For months, a ...

Learn about the new deep-sea species discovered in the Southern Ocean, including a "death-ball" sponge that uses a deadly ...