Measuring roughly 1,350 square miles (3,500 square kilometers) across, A23a is the world's largest and oldest iceberg ...

The world's biggest iceberg - more than twice the size of London - could drift towards a remote island where a scientist warns it risks disrupting feeding for baby penguins and seals. The gigantic ...

An enormous chunk has broken off the world's largest iceberg, in a possible first sign the behemoth from Antarctica could be ...

The massive A23a iceberg, covering around 3,500 square kilometers (1,350 square miles), broke off from the Antarctic shelf in 1986 and remains the world's largest and oldest iceberg. After ...

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 ...

While warming temperatures are driving a widespread loss of ice shelves, major calving events have not increased in frequency ...

Roughly 3,500 square kilometres (1,350 square miles) across, the world's biggest and oldest iceberg, known as A23a, calved from the Antarctic shelf in 1986. It remained stuck for over 30 years ...

Antarctic ice shelves are shrinking mainly due to frequent small calving events, while major iceberg break-offs remain rare ...

Known as A23a, the 1,400-square-mile iceberg had been stuck on the ocean floor near Antarctica for 37 years after splitting in 1986 from the Antarctic’s Filchner Ice Shelf. But it began to move ...

Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks ...

But a chunk about 19 kilometres long has cleaved off, said Andrew Meijers from the British Antarctic Survey, who encountered the iceberg in late 2023 and has tracked its fate via satellite ever since.