Scientists have found scour marks on the seabed made by giant icebergs about 18,000 years ago, and they could offer clues to ...

A23a has run aground in the Southern Ocean after years adrift. But could it continue on its collision course in the future?

Slightly smaller than Rhode Island, A23a originally split from Antarctica’s Filchner Ice Shelf in 1986 and then remained grounded on the seabed in the Weddell Sea for over 30 years, according to ...

It’s called A23a, and it first broke off the Filchner Ice Shelf way back in 1986! For decades, it was just chilling (literally) in the Weddell Sea, stuck on the seabed.

The newfound ecosystem is filled with sea crabs, octopuses and gigantic sponges, suggesting it may have been thriving for centuries.