Planning a trip to Arizona? Here are 12 must-see attractions, from the Grand Canyon to Monument Valley, and other ...

About 66 million years ago, an asteroid slammed into what is now Mexico, forming the Chicxulub crater. This impact wiped out ...

A recent study from the University of New Mexico has proposed a fascinating theory about the formation of the Grand Canyon.

Karl Karlstrom, a geologist recently retired from the University of New Mexico, grew up in Flagstaff, Arizona. Grand Canyon ...

The Orionids — one of two major meteor showers caused by remnants from Halley’s comet — will peak with the arrival of a new moon, providing an excellent opportunity to see shooting stars without ...

A dazzling meteor shower will be visible next week, lighting up the night skies across the globe. The Orionid meteor shower is named after the constellation of Orion, where the meteors appear to ...

The largest and oldest crater on the moon did not form as we initially suspected, a new study suggests. The findings hint that a specific region of the lunar surface could be more scientifically ...

We got many reports around our area very early this morning of a fireball meteor that had got into Earth's atmosphere and fragmented over our area being visible from the ground! Check out this awesome ...

JACKSON, Tenn. — What appeared to be a meteor passed over West Tennessee during the early hours Tuesday. Several home surveillance cameras from Humboldt to Lexington captured a bright light flash ...

The Brown family patriarch got candid about the “pain” his Flagstaff, Ariz., home brought him after his former wives Christine, Meri and Janelle left their plural marriage TLC During an Oct. 12 ...

Get ready stargazers! The Orionid meteor shower peaks next week overnight on Oct. 20-21, bringing with it a flurry of spectacular 'shooting stars' to brighten a blissfully dark moonless sky. The ...