Consider, if you will, the humble motorboat propeller. It is small - usually 3 to 20 pounds with a 9 1/2- to 16-inch diameter - and has a simple job. Its task is to keep its head underwater and turn, ...

A humpback whale has been left severely injured after being hit by a boat's propeller in Australia. The 13-foot whale was reported to the Western Australian Department of Biodiversity, Conservation ...

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From big boats to small, most have one thing in common - propellers. Boats move through the water with a gasoline or diesel engine that turns a propeller under the water. With the exception of ...

As investigators continue to look into last weekend’s fatal boating accident near Harker's Island, thousands of boaters will be hitting the water for the holiday weekend. In the past weekend’s ...