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 ...

Jan. 28 (UPI) --A pair of German daredevils took a walk across a slackline suspended between two hot air balloons and earned a world record for their stroll at an altitude of 8,202 feet. Friedi Kühne ...

Add Yahoo as a preferred source to see more of our stories on Google. A fatal helicopter crash southeast of Phoenix involved a slackline, also known as a highline, which investigators say the aircraft ...

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 sightseeing helicopter carrying four family members crashed in the mountains of central Arizona after apparently striking a slackline stretched high across a canyon, killing everyone on board. The ...

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 ...

A helicopter crash in Telegraph Canyon near Superior killed four family members from Oregon. Investigators believe the helicopter struck a slackline that was stretched across the canyon. A witness saw ...

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 ...