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 ...

WASHINGTON — The Orionid meteor shower will put on a cosmic show in the night sky this week, giving stargazers a chance to see up to 20 meteors per hour. The Orionids will peak on Tuesday, Oct. 21, ...

If you want to see one of the most bright, beautiful meteor showers of the year, you have two nights to see a cosmic light show. The Orionid meteor shower will peak this week, with shooting stars ...

(NEXSTAR) – If the supermoon wasn’t enough, October is treating skygazers to another celestial delight – the peak of the Orionid meteor shower. The Orionids occur when Earth passes through the trail ...

Before the next full moon, this weekend's sky with be ablaze with Orionids bright meteor shower display amid a waning crescent moon and another active meteor shower — the Southern Taurids. The next ...

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 ...

Scientists in South Africa have made an amazing discovery in the globe’s biggest meteor impact crater, the Vredefort Crater. While experts were studying the unique geology of the crater a number of ...

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 ...

The skies above Southern Utah will be alight with as meteors sparkle across the darkened horizon, joined by a trio of comets on a flyby past Earth. Viewing opportunities from land in the southern part ...