Add Yahoo as a preferred source to see more of our stories on Google. A slackline hung about 600 feet above the ground was likely the cause of a fatal helicopter crash in January. Four people were ...

A helicopter crash on Jan. 2 claimed the lives of four family members from Oregon in a remote area of Pinal County, Arizona. Officials said the aircraft struck a slackline stretched across a canyon ...

A fatal helicopter crash southeast of Phoenix involved a slackline, also known as a highline, which investigators say the aircraft struck before plunging into a canyon. The crash occurred Jan. 2 in ...

A helicopter crash on Jan. 2 claimed the lives of four family members from Oregon in a remote area of Pinal County. Officials said the aircraft struck a slackline stretched across a canyon just before ...

Jaan Roose has attempted to set a world record for the longest slackline walk in history by crossing the Messina Strait from Italy to Sicily. Spanning 2.26 miles, it's hard to imagine how this feat ...