Grand Canyon wildfire 'White Sage Fire' explodes overnight in Arizona as devastating black smoke blankets Midwest.

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

Immortalised in dozens of blockbuster classics since its opening in 1926, Route 66 symbolises freedom, top-down adventure and ...

The NPS recommends avoiding hiking the Grand Canyon's inner trails between 10 a.m. and 4 p.m., when temperatures are at their ...

A hiker has died on the South Kaibab Trail in the Grand Canyon National Park while attempting to reach the Colorado River.

A 67-year-old Texas man died Tuesday at the Grand Canyon after abandoning an attempt to hike down to the Colorado River. He ...

A 67-year-old Texas man died Tuesday at the Grand Canyon after abandoning an attempt to hike down to the Colorado River. He turned around and began ascending toward the rim before he was found, ...

NASA astronaut Don Pettit has just shared a beautiful shot of the Grand Canyon captured from the space station during his recent stay there.

A 67-year-old man from Texas died in the Grand Canyon during an extreme heat warning, rangers said. The man was found at ...

A 67-year-old Texas man died Tuesday after he was found unresponsive on a Grand Canyon National Park trail, officials said.

A 67-year-old hiker died in the Grand Canyon, park officials said as forecasters in the region warned of excessive and life-threatening heat.

A dinosaur fossil has been found in an unlikely way in an unlikely place, a hole drilled under the parking lot of a Colorado ...