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Sunspot region AR 2192 might be about to light up the atmosphere over Alaska. Lovers of the aurora borealis should cross their fingers and hope for clear skies.

Craig Medred
For the second time this week and the third time since late August, a magnitude 5 earthquake rattled the Fairbanks area Thursday morning, originating near Minto about 10 miles below ground on an unmapped fault.Dermot Cole
Once a Saturday morning TV fixture, Bill Nye has become a high-profile advocate not only for science education, but also for important geopolitical issues. On Monday, Nye will share his thoughts on those issues and more at West High School in Anchorage.Vikram Patel
Final of four columns of walking UAF's North Campus in different seasons, engaging the senses to share the wonders of my Alaska backyard. Ned Rozell
Windfall Mountain is not feeding a coal seam fire, common throughout the world and recorded in Healy and a few other spots in Alaska. So what explains the smoke?Ned Rozell
What finished off the resilient St. Paul mammoth of the Bering Sea. People with spears and clubs? Polar bears? Disease? Starvation? A volcanic eruption?Ned Rozell
Powerful autumn storms have sent surges of seawater as far as 20 miles inland onto the tundra of southwestern Alaska -- and such flooding is expected to become more frequent as the climate changes, a new study says.Yereth Rosen
The area that would become Anchorage and the rest of Southcentral, Southeast, and the Alaska Peninsula were under ice, but Interior Alaska was green.Ned Rozell
Why is it a 6.2-magnitude earthquake that would have killed people in other countries just rattled Alaskans on Thursday? The state's top earthquake scientist has a sobering answer.Zaz Hollander
The moss, so obscure it has no common name, has been found in only one other North American site -- in Canada’s Yukon Territory -- and is also known to grow in Greenland and Scandinavia.Yereth Rosen