A block of ice more than 1,500 square kilometres in area has broken off the Amery Ice Shelf in Antarctica.
The tabular iceberg, officially named D28, broke away on September 26.
Scientists say the event is part of a normal cycle and is not related to climate change.
The last major calving at the shelf occurred in the early 1960s, NASA said, when a block measuring roughly 9,800 square kilometres broke off.
Ukraine and Russia say emergency alert apps were hit by hacks
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New cyberattack on supermarket fridges sweeps across Europe
A hacking attack on European supermarkets spread across the continent on Monday, hitting refrigerators and freezers from Sweden to Belgium and forcing stores to throw away food in an incident that echoed a similar attack in France last month.
9 people dead in Learjet crash in south Florida, officials say
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French school protests resume on smaller scale as students return from break
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Israeli strikes kill three people in Gaza, medics say
Israeli strikes killed at least three Palestinians and wounded several others in the Gaza Strip on Monday, the territory's health officials said.
