It appears the bland Martian surface triggered a chain of events that left NASA's Ingenuity helicopter permanently ... to operate over textured, flat terrain, not the steep, featureless sand ...

Heli-skiing pushes the boundaries of what's possible off-piste, and is the only way to traverse certain mountainsides.

After two decades operating on the back side of Schweitzer, local ski and snowboard guiding business Selkirk Powder Company ...

The injured person was hoisted to a helicopter because of the difficult terrain, including the 30-degree slope involved, Berry said. He said it was much easier on the patient “given his injuries ...

Heli-skiing is comparable to cat skiing safety-wise, but you’ll have more terrain choices since helicopters can travel just about anywhere. Plus, if you love a steep slope, heli-skiing has the ...