A startup building massive, bullet-shaped helium balloons that float in the stratosphere has raised $15 million from Japan’s ...

Several of Mount Rainier’s glaciers are already gone, experts say, and others aren’t far behind. The News Tribune asked what ...

Mountain storms can change quickly. Here’s a breakdown of the weather event that caused tragedy over the weekend.

The final image captured by the recently decommissioned Landsat 7 satellite shows how "Sin City" has nearly doubled in size ...

The U.S. Geological Survey notes that groundwater is the source of drinking water for about half of the total U.S. population ...

A Q&A with Andrew Shapero, Nantucket's new forever-chemical expert, on the extent of the problem on the island, and how ...

NOAA recently reported that the largest coral bleaching event on record is impacting 84% of the world’s reefs, including the ...

Nearly two dozen state geological surveys depend heavily on federal funds. A proposed budget cut could slow or stop key ...

A moderately strong, 5.1-magnitude earthquake struck in Iran on Friday, according to the United States Geological Survey. The ...

An increase in seismicity—marked by frequent tremors—was observed recently at Alaska's Iliamna Volcano, which last erupted in ...

Beneath layers of ancient rock, a high-pressure process is reshaping the modern energy landscape. As fracking expands across ...

A bright fireball meteor streaked across the Southeast US, startling residents across four states with a sudden flash and ...