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Far-north changes pondered in San Francisco

Far-north changes pondered in San FranciscoAt this annual gathering of more than 20,000 Earth and space scientists, press conferences offered by the organizers feature scientists discussing everything from Mars rovers whiffing methane to Christmas lights visible from space.

Coastline search leads to first residents’ camps

Coastline search leads to first residents’ campsUnderstanding the rise and fall of Southeast Alaska's landscape is helping scientists learn more about the area’s early human settlements.

Mastodons long gone from the north

Mastodons long gone from the northA recent look at far-north mastodons shows the creatures vanished from the Arctic thousands of years earlier than researchers thought.

Study: Climate change hurting salmon habitat

Study: Climate change hurting salmon habitatScientists know climate change is altering rain and snowfall patterns in the Tongass National Forest. A new study details how that could affect salmon and suggests what can be done.

Alaska blackfish in a world of its own

Alaska blackfish in a world of its ownThe Alaska blackfish is an evolutionary loner that fins through lakes and tundra ponds across much of the state.

NOAA proposes critical habitat for ringed seals

NOAA proposes critical habitat for ringed sealsA federal agency has proposed about 350,000 square miles of ocean off Alaska’s north and west coasts as critical habitat for the seal that’s the main prey of polar bears.

Caribou, reindeer compete for space on the Seward Peninsula

Caribou, reindeer compete for space on the Seward PeninsulaFor decades, caribou have posed a threat to reindeer herders on the Seward Peninsula — their numbers swelling, even as the reindeer population shrinks.

First winter snowfall breaks Juneau records

First winter snowfall breaks Juneau recordsMore than 8 inches of snow fell at Juneau International Airport on Sunday.

Snow-starved Alaska not the normal state

Snow-starved Alaska not the normal stateDuring the first 21 days of November 2014, no recordable snow fell in Anchorage, Juneau or Fairbanks.

Villager’s remains lead to 1918 flu breakthrough

Villager’s remains lead to 1918 flu breakthroughThe revival of the virus responsible for the 1918 Spanish flu, the killer of millions of people, was the end of a long journey for Johan Hultin.