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, ...

Beneath the waves are millions of dangerous sea creatures – and they exist on every continent, from Oceania to Asia and Central America. We’ve ranked the top 20, in order of their deadliness to humans ...

Arkansas wildlife officials are urging boaters to avoid a section of a river in the northern part of the state after a sinkhole opened up and created a dangerous whirlpool that led to a man’s death.