For answers, they turned to National Aeronautics and Space Administration (NASA) — and to UMass Lowell environmental science ...

This one-day itinerary includes the best of Grand Canyon's South Rim, including El Tovar, Mather Point, Bright Angel Trail ...

Beginning May 15, the National Hurricane Center will issue a daily tropical outlook highlighting any disturbances showing ...

Some parts of the moon are more interesting than others, especially when searching for future places for humans to land and ...

At 4.1 magnitude near Greenback, the May 10 quake was large for our area. Experts look back on the last earthquakes to ...

Two Arizona landmarks are now on a national list of endangered historic places. There recognition highlights both the ...

Smaller aftershocks can occur in the days and weeks after an earthquake like the one that shook East Tennessee on May 11.

The quake could be felt in parts of the Carolinas, Alabama, Kentucky, Georgia and Virginia, according to early data from USGS ...

A drum seismograph records the shaking of the ground at the new earthquake ... More monitoring station June 23, 2004 at the ...

U.S. News Insider Tip: Since parking is hard to find beyond the visitor center's main parking lot, opt for one of the park's free shuttles and pack a bag with a water bottle, a hat, sunscreen and ...

In the southern Arizona desert, a fragment of forgotten history ... The site itself has rewritten the map of Coronado’s journey. Historians have debated the expedition’s exact route for ...

Over 4000 geologic quadrangle maps and publications are now available online in PDF format. If you know the name of the quadrangle you are interested in, you may locate PDF files using the map series ...