This photograph of Mars highlights the planet's reddish appearance, caused by iron oxide (rust) on its surface, giving it the nickname "the red planet." The image shows Amazonis Planitia, a smooth ...

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

A new survey by Lake.com has revealed that Crater Lake National Park in Oregon is the top stargazing destination in the ...

Before the day breaks on a winter morning at the Pong Lake wetland in northern India, muffled honks of geese are heard in the distance.

The chemical makeup of mineral inclusions preserved in impact glass hints at the site of a missing impact crater.

Heavy snow and high winds are forecast to impact travel on Oregon’s Cascade Mountain roads and passes from Thursday night ...

Learn about the analysis conducted on wave ripples in the Gale crater region of Mars, where ice-free ponds and lakes stood ...

Coconino County is working to review which of its departments will be impacted, and how drastically, following the freeze of ...

Firefighters will ignite piles in three different areas of the Flagstaff Ranger District this week, with smoke expected to be ...

Lava flows from Episode 6, the latest eruptive event of the summit eruption that started at 11:28 p.m. Jan. 24 and ended at ...

COURTESY USGS This U.S. Geological Survey web camera photo shows lava fountains returning to Halemaumau Crater early this morning. Kilauea had another short-lived eruption within Halemaumau crater ...