John Muir wrote the often quoted line “the mountains are calling and I must go . . .” in a letter to his sister Sarah Muir ...

Few things grip the human imagination quite like a civilization that was once great - building cities, writing laws, trading across continents - and then simply disappeared. Not conquered, not ...

The USGS confirmed a mine collapse triggered the 2.2 magnitude tremor detected west of Rock Creek, and authorities report no ...

Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago. By analyzing magnetic fingerprints in ancient rocks, they reconstructed ...

The 2.2 event was recorded at 5:40 a.m., less than 10 miles west of Rock Creek.

The OLI (Operational Land Imager) on Landsat 8 acquired this rare, relatively clear image of Mayon, the most active volcano in the Philippines, on Feb. 26, 2026. The natural-color scene is overlaid ...