The world's largest iceberg is on the move in the Southern Ocean after spinning for months. Iceberg A23a weighs nearly 1 trillion tons and is twice the size of Greater London, according to the British ...

For more than 30 years, the world’s largest iceberg was stuck in the Antarctic. Five times the size of New York City’s land area and more than 1,000 feet deep, the mammoth piece of ice finally became ...

The Earth is spinning at its fastest rate since records began, and astronomers predict that 5 August will be one of the shortest days ever measured. New estimates released this month suggest that the ...