This is the third season in Antarctica for Rosemary McGuire of Haines, and she's become something of a Ms. Fix-It -- one day patching the Zodiac’s rubber skin, the next maintaining motors and electronics, the next piloting scientists to locations where they're studying penguins and whales out to collect data. Few scientists  know much about driving the boats, so she's particularly valuable.

Scientists believe that an ancient Martian ocean held more water than the Arctic Ocean on Earth. 

Alaska Dispatch News
State biologists plan on Sunday to begin moving wood bison from a Portage conservation center to the village of Shageluk, the staging area for the animals' release into the Innoko Flats about 350 miles southwest of Fairbanks. Dan Joling | Associated Press
U.S. Geological Survey researchers analyzing nearly 40 years of at-sea bird surveys in the Gulf of Alaska and Bering Sea say seabird density has dropped about 2 percent annually since 1975. That translates into an overall decline in numbers and biomass of 50 percent or more through 2012.Dan Joling | Associated Press

The Alutiiq Pride Shellfish Hatchery on Resurrection Bay in Seward, AK provides seed stock for the aquatic farm industry, develops seed for new species for aquatic farming, provides seed for shellfish enhancement projects and conducts research. The hatchery is working on geoduck farming in Southcentral Alaska and raising blue king crabs for stocking programs. The hatchery which was built with funds from the Exxon Valdez Oil Spill is operated by the Chugach Regional Resource Commission and is owned by the City of Seward.

Bob Hallinen
Improved navigational mapping in Arctic waters off Alaska has been a key NOAA goal in recent years. Most of the past charting of Arctic waters was done with 19th-century technology.Yereth Rosen
A severe solar storm smacked Earth with a surprisingly big geomagnetic jolt Tuesday, causing northern lights over Alaska overnight and potentially interfering with GPS systems just as the Iditarod's leaders approach Nome.Seth Borenstein
The cause of death likely was avian cholera, which can cause convulsions and erratic flight, and can even kill birds in midflight, wildlife officials say. The geese were headed to summer breeding grounds on Alaska's Arctic coast from winter habitat in Mexico and the U.S. Southwest.Associated Press
The Alaska Department of Fish and Game has extended the resident moose hunting season in a part of Southwest Alaska due to lack of snow, which has made it hard for hunters to travel by snowmachine. Megan Edge
The Alaska Board of Game rejected an emergency petition that would close state lands east of Denali National Park and Preserve to wolf hunting and trapping. Laurel Andrews