They sail straight across one of the world’s most dangerous ocean whirlpools—but the sea is so calm that she naps through the entire thing. A rare look at the Moskenesstraumen when it’s quiet enough ...

Whirlpools are formed by the combination of strong currents, narrow channels, and rapidly changing underwater topography. Dangerous whirlpools are rare and require currents of 10 knots or more. Small, ...

Scientists have discovered giant mud waves buried deep below the Atlantic Ocean around 250 miles off the coast of Guinea-Bissau, a country in west Africa. Made of mud and sand, these massive ...