Ned Rozell | Alaska Science

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.

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

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.”

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.

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.

Nogahabara Dunes, 35 miles west of Huslia, has proven to be a rich archaeological site that biologist Karin Bodony has returned to a dozen times.