Ecuador's Cotopaxi volcano, which began erupting in August after being dormant for 138 years, on Thursday coughed up a two-kilometer-high column of ash, officials said.
Strong winds are whipping up loose volcanic ash from the eruption of an Alaska volcano more than a century ago.
The Environmental Protection Agency on Wednesday imposed new standards for mercury, lead and other toxic pollutants that are discharged into the nation's rivers and streams from steam electric power plants.
Five years ago, a Michigan Technological University entomologist set loose a swarm of tiny wasps in the woods around Calumet, Mich. His aim: to combat the invasion of a shiny, green beetle deadly to America's ash trees. Now ...
Social network Flickr and citizen science website BugGuide have helped scientists to expand the known range of a rarely collected parasitic woodwasp, native to the eastern United States. Partially thanks to the two online ...
A new Duke University-led study has revealed the presence of radioactive contaminants in coal ash from all three major U.S. coal-producing basins.
Nearly 325,000 people could be affected by an eruption of Cotopaxi, the volcano looming beyond the Ecuadoran capital of Quito, officials said Monday.
Three University of Bristol volcanologists – Professor Steve Sparks, Dr Susanna Jenkins and Dr Sarah Brown – are lead editors and authors of a new book, Global Volcanic Hazards and Risks, published this month.
Northeastern forests in the United States cover more than 165 million acres, an area almost as big as Texas. Soon, millions of pine and ash trees in those forests could be wiped out, thanks in part to two types of voracious ...
Emerald ash borer is an invasive green beetle laying waste to ash trees in the United States and Canada.