Researchers discovered a hidden Antarctic landscape under a layer of ice over a mile thick that shows how different the continent looked millions of years ago

Tech Insider
A small boat in the water near the Admiralty Mountains in the east of Antarctica
The Admiralty Mountains loom in eastern Antarctica.

Andrew Peacock via Getty Images

Antarctica has lost 8.3 trillion tons of ice since 1997, a new study found. That's enough to cover the contiguous US in 3 feet of water.

Tech Insider : Environment
A cliff face with melting ice in Antarctica.
Antarctica saw temperatures 39 degrees Celsius above average last year.

Pauline Askin/Reuters

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