Science

Barnes retired this year after a rich career in a quirky place that fit.

Study reveals dramatic increases since the late 1980s, signaling potential future stress for bears already coping with a warming environment in Alaska and Siberia.

If geologists can find pockets and figure out how to mine them, a hydrogen plant could power a nearby village that now has diesel generators rattling every second of every day.

Meteorologists rely on the work churned out by people they never see, who feed weather information to supercomputers all over the world.

Weighing as much as a cup of walnuts and resembling a squeaky dog toy, the ermines are easy to underestimate.

Matthew Crisafi-Lurtsema and Roger Jaramillo spent nearly five weeks on the mountain and returned with snow they believe will have microplastic particles from a variety of sources.

An Alaska Volcano Observatory scientist said that “there are no indications an eruption is imminent” at Mount Spurr, which is located 75 miles west of Anchorage.

The end of American lions in Alaska may have been due to changes that also doomed other creatures, including the woolly mammoth.

He came to Alaska as a young man to study seabirds on this barren barrier island. Decades later, he found the fingerprints of climate change. After a lifetime, will he see this colony disappear?

Biologists have noticed similar drops in peregrine numbers in New Jersey, Virginia, Washington and California.

A longtime space physicist and aurora forecaster at the University of Alaska Fairbanks, Charles Deehr witnessed his first red aurora in 1958 after a date with his future wife, Tone.

Because insects become scarce when the fall chill sets in, wood frogs might eat their numerous, highly available sons and daughters to help them survive the winter.

Writer Merle Colby penned a guidebook to Alaska that was published in 1943 as part of the Federal Writers’ Project. Many of his observations still hold up well today.

The insect mimics a snake and even though there aren’t snakes in Alaska, birds are still wary due to lessons learned during migration.

On a recent trip to Alaska’s upper Colville River, scientists found a lost world, a time of “polar forests with reptiles running around in them.”

Drinking meltwater directly from a glacier doesn’t generally pose a health risk, said a physics professor at the University of Alaska Fairbanks.

Scientists studying Black Rapids Glacier believe it has surged four times since the year 1400, drastically changing the surrounding landscape.

William Dall collected the piece of obsidian near the mouth of the Nowitna River. One hundred and fifty-seven years later, archaeologist Jeff Rasic held that same piece of obsidian in his hand at the Smithsonian.

Stormy Fields, a scientist at UAF’s Alaska Stable Isotope Facility, is looking for clues left behind to find out more about those hunters of long ago.

More than 50 meteors should be visible per hour in rural areas away from city lights. The Perseids last through Sept. 1.

The project included cutting-edge archaeological tools, including “underwater drones” that brought cameras to vessels that sank more than 80 years ago off the Aleutian island.

Geologists in the early 20th century described a massive 1899 earthquake that shattered glaciers, lifted areas of shoreline 47 feet out of the water, and caused the deaths of millions of organisms.

The female of the species is most familiar to its victims, with two pairs of cutting blades to chew into skin and fur.