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What lies beneath the Antarctic ice sheet?

Mysterious blind 'ghost fish' reveals Congo to be the deepest river in the world

Do black holes have friends?

Diego the giant tortoise has dedicated himself to the survival of his species

Teen interning at NASA discovers new planet

Australian wildlife officials air-drop carrots, sweet potatoes to help struggling wallabies

What does 'Medicare for All' actually look like?

What you need to know about that mysterious Chinese virus

Gold bar found in Mexico City park was an Aztec treasure looted by conquistadors

What is moral grandstanding and are you guilty of it?

Climate change may have been the one thing Vikings truly feared

Scientists discover 10 new birds