Science

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.

When scientists want to go to Alaska’s most remote islands, they usually get a ride on the U.S. Fish and Wildlife Service’s R/V Tiglax.

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.

There’s little evidence more people are getting sick, but they are getting grossed out.

These spruce trees and rivers and swamps have not changed much since December 1980, when Jimmy Carter signed the Alaska National Interest Lands Conservation Act.

The Nogahabara Dunes dunes in Western Alaska reveal a trove of obsidian spear and arrow points worked by hunters as long as 12,000 years ago.

The icefield, source of more than 1,000 glaciers, is shrinking 4.6 times faster than it was in the 1980s, scientists say.

Eight students and professionals are troweling the floury tan soil of Hollembaek’s Hill to learn more about the distant past in Interior Alaska.

“Insects are like a glue that holds ecosystems together,” said researcher Derek Sikes, who is studying populations in Alaska’s boreal forests.

In its second mission, the Healy is scheduled to carry early career scientists on a cruise through the Northwest Passage to Greenland.

Warm conditions in northern seas must match to allow salmon to swim that far, a convergence likely to be more common with climate change, scientists say

Science writer Ned Rozell was joined by two friends on a 33-hour trek from Eagle Summit to the Chena Hot Springs Resort.

Ancient people might have used sea ice as a bridge to “coastal areas and islands with a relatively traversable surface that doubled as a platform for hunting energy-dense marine mammals,” according to a recent study.

Horticulturists and animal breeders today carry on the same type of experiments Charles Georgeson did 100 years ago, finding species of plants and animals capable of adapting to the Far North.