Grand Canyon officials warned hikers and backpackers about the dangers of heat following a handful of rescues.

As temperatures soar in the Grand Canyon, emergency calls have spiked, leading to 13 helicopter rescues in just seven days, ...

There were 13 helicopter rescues conducted at Grand Canyon National Park over the span of a week, according to park officials ...

DENVER (KDVR) — A Colorado man is facing federal charges for landing a helicopter in Grand Teton National Park ... they found Smith with a companion having a picnic by the lake, the NPS said.