Large stretches of salmon-spawning streams and thousands of acres of wetlands would be wiped out if a large-scale mining project were to be built in southwestern Alaska's copper-rich Bristol Bay re

Symptoms of a mysterious disease that has killed scores of seals off Alaska and infected walruses are now showing up in polar bears, the U.S. Geological Survey (USGS) said on Friday.

Alaska state officials on Friday were considering a controversial plan to shoot wolves in an effort to boost moose populations in one of the state's top tourist and recreation areas.

Residents of remote Alaska towns and tiny Native villages were working on Friday to tally up damages from a near-record storm that lashed the state's west coast, officials said.

Sea-ice coverage across the Arctic Ocean has dwindled to its second-lowest level since satellite records started in 1979, according to the National Snow and Ice Data Center.

The state of Alaska filed notice on Friday that it will appeal a federal judge's ruling upholding the listing of polar bears as a threatened species.

Scientists from the Geological Survey will embark next week on an expedition to monitor acidification trends in the Arctic Ocean linked to carbon emissions, the agency said.

A volcano that has been erupting for several days in Alaska's Aleutian Islands may be preparing for a more explosive event, scientists said on Wednesday.

A mysterious orange goo that washed ashore in an Alaska village last week and sparked pollution concerns turns out to be a mass of crustacean eggs or embryos, government scientists said on Monday.

A wildfire that burned over 400 square miles of Alaska tundra in the scorching summer of 2007 poured as much carbon into the atmosphere as the entire Arctic normally absorbs each year, according to