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

On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic ...

Could New York face an asteroid threat in our lifetime? Scientists explain potential impact scenarios, emergency preparedness ...

NASA’s car-sized Perseverance rover has been roaming the surface of Mars for four years, drilling into the alien soil to collect dirt it places in tubes and leaves on the ground.

The solar wind pushes some of the gas and dust away from the comet, forming those beautiful tails we see. A comet actually ...

Find out the best stops along Route 66 on a Chicago to Los Angeles (or Los Angeles to Chicago) driving trip across the USA.

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

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

Grand Canyon Caverns is about 123 miles from Grand Canyon National Park's South Rim, according to Google Maps. Details: 115 Route 66, Peach Springs. 928-422-3223, gccaverns.com.