But now, according to the British Antarctic Survey (BAS), its course has been interrupted after becoming trapped in an ocean vortex. The iceberg, named A23a, is slowly spinning around and around ...

It came to a stop a second time in August of this year—at least in terms of forward movement—when it became lodged in a spinning ocean vortex known as a Taylor column that rotated it by 15 ...

Like ocean waves, Rossby waves can "break" on top of the polar vortex, weakening it and — in extreme cases — reversing the direction of its winds. Last year, a sudden stratospheric warming ...

"The biggest iceberg on the planet - A23a, which broke off from the Antarctic glacier 38 years ago, got into an ocean vortex in the Skosha Sea and stopped again. Having broken off in 1986 ...