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Due to ash from the volcano in Kamchatka, Russia, Alaska Airlines canceled eight flights Wednesday between Anchorage and Western Alaska airports in Adak, Bethel, Dillingham and King Salmon.

Anchorage municipal officials say at least 16 roofs have buckled in the city this winter under heavy snow and ice, and they’re wary of additional collapses after another storm dropped more snow this weekend.

Drivers in much of Alaska including Anchorage will have until May 15 to remove studded tires; those in southern areas will have until May 1.

The relocation between from Newtok to Mertavik has taken time and community members stay patient as local, state, and federal agencies figure out the complex funding and logistical hurdles.

Engineers struggled to keep snow geese away from Montana’s deadly Superfund site, but ecologists have a new plan.

Wednesday was the annual test of Alaska’s tsunami warning system — but Homer, Kenai, Ketchikan, Kodiak, Sitka and Unalaska didn't hear it at all.

About 800 people have had to leave their homes due to the risk of avalanches in East Iceland.

The ice outside of Kotzebue in the sound and further out into the Bering Sea is more like May Ice then March ice.

Questions still linger about what caused the bear to kill a woman and her baby — but more important for Wales is the question of how to move on.

Scientists say climate change appears to be a factor making Florida and other parts of the U.S. welcoming to non-native mosquitoes.

World leaders already have many options to reduce greenhouse gas pollution and protect people, according to the United Nations report.

Trapped in all that permafrost is an estimated 30 billion tons of carbon. It’s an unfathomable amount, Kirkwood says. With global warming, the permafrost is thawing, threatening to release a “carbon bomb” of heat-trapping methane gas into the atmosphere. But there’s something else lurking in the permafrost that has the potential to be more immediately dangerous to the people and wildlife living in the area: mercury.

More than 700 inches of snow have fallen at Mammoth Mountain, almost burying entire houses and setting new record for snowfall. The snowfall in the Sierra Nevada range will help mitigate drought conditions in coming years.

Libraries at two Anchorage elementary schools — Klatt and Spring Hill — were closed after the maintenance department identified ceiling damage. The district also decided “out of an abundance of caution” to proactively close the libraries of Bear Valley Elementary, Fire Lake Elementary, and Ravenwood Elementary, which share the same building design with Klatt and Spring Hill.

In addition to blizzard conditions, Kotzebue residents have been experiencing power outages, water service interruptions and travel complications because of the storms.

Highly venomous spiders native to Chile remain a worry for workers at a firm in Sandviken, near Gävle, several years after they were first discovered.

Engineers caution that residents wanting to clear their own roofs face greater risk of hurting themselves or damaging roofs than from a collapse.

Researchers found that the seismic waves get amplified as they bounce back and forth off the sides and bottom of the sedimentary basin near Minto. So people in the flats perceive the earthquakes as bigger than they actually are and it’s all about the reverberation.

Ice lies thick on the Yenisey River as nuclear-powered icebreaker "Sibir" escorts a cargo ship to the remote terminal applied by oil company Rosneft

Trudeau orders takedown of unidentified object in Canada airspace.