Alaska's remote Bogoslof Island is only 169 acres, a third the size of the average American farm. And it's highest "peak" is just 490 feet, half as tall as the Eiffel Tower.
Coal-burning power plants produce more than half of the electricity in the U.S., and they generate huge amounts of coal ash in the process. One type of coal ash is a fine, powdery particle called fly ash, which for many years ...
Environmental groups said in court Monday that the Tennessee Valley Authority is essentially storing toxic ash from an aging Tennessee coal-fired power plant in a colander, letting pollutants seep into a major river in violation ...
The Alaska Volcano Observatory has raised the aviation warning level after a volcano in the Aleutian Islands erupted again.
A volcano in Alaska's Aleutian Islands has erupted again, sending a cloud of ash and ice particles 30,000 feet in the air.
Researchers have now found an explanation for what triggered the largest volcanic eruption witnessed by mankind. The volcano's secret was revealed by geochemical clues hidden inside volcanic quartz crystals.
When NASA's Terra satellite passed over Alaska's erupting Bogoslof Volcano the MODIS instrument aboard captured an image of a large ash plume surrounded by clouds making it appear to be wrapped in white.
A remote volcano in Alaska's Aleutian Islands has erupted 10 times in less than a month, and experts say more eruptions are possible.
An active Alaska volcano has erupted again, this time sending a cloud of ash and ice 35,000 feet in the air.
Costa Rica declared a state of emergency Thursday after eruptions of ash from a volcano forced international flights to be postponed and threatened the capital, authorities said.