Alaska

An orange tributary of the Kugororuk River.

Alaska's Rivers Are Turning Orange as Thawing Permafrost Releases Metals Into Waterways

A new study identifies at least 75 Arctic streams where minerals, especially iron, are staining water with a rusty hue

About 75 percent of Americans are expected to travel by car this summer. Taking the scenic route along such roadways as Highway 101, seen above in Del Mar, California, can make the trip even more worthwhile.

Seven of the Most Beautiful Roads in the United States

From Alaska to Florida, these serene and exhilarating stretches beg you to take the scenic route

Male belugas were more likely than females to change the shape of their melons, or foreheads.

Belugas May Communicate by Changing the Shape of Their Squishy Foreheads

Scientists documented five different melon shapes among the marine mammals living in captivity: push, flat, lift, shake and press

The earthquake on March 27, 1964, dropped Anchorage’s Fourth Avenue and some cars on it roughly 20 feet below normal.

How the Great Alaska Earthquake Shook Up Science

Sixty years ago, the largest earthquake in U.S. history shocked geologists. It’s still driving scientific discoveries today

Tens of millions of people watched Monday's total solar eclipse.

When Are the Next Solar Eclipses? 2026 Promises Totality in Europe, While Much of America Has a Decades-Long Wait

The next total solar eclipse visible from the contiguous U.S. won’t take place until August 23, 2044—but eclipse chasers will have other opportunities to experience totality before that

Wildflowers, spongy tundra grass and Brooks Range mountains emerge from the Arctic National Wildlife Refuge on Alaska's North Slope.

Alaska's Frigid North Slope Was Once a Lush, Wet, Dinosaur Hotspot, Fossils Reveal

Conditions north of the Arctic Circle, where dinosaurs roamed in abundance during the mid-Cretaceous, were warmer than today, with rainfall comparable to “modern-day Miami”

Hunters, trappers and other land users in the North are using Siku, a mobile app named after the Inuktitut word for “sea ice,” to share environmental information, including ice conditions. Here, an Inuit hunter prepares to test the safety of sea ice near Sanikiluaq, Nunavut, with a harpoon.

This App Lets Inuit Combine Traditional Knowledge With Scientific Data

Indigenous communities from Alaska to Greenland are harnessing information to make their own decisions

Ice worms spend most of the day burrowing their way through the cold, dark interior of the glacier, coming to the surface only in the afternoon to feed on algae and bacteria.

This Eight-Day Festival Celebrates One of Alaska's Weirdest Worms

Welcome to the Cordova Ice Worm Festival, a quirky local tradition honoring the mysterious creatures that live in glacial ice

The mineral-rich soak at Chena Hot Springs, about 60 miles northeast of Fairbanks, has been attracting tourists since the early 1900s.

You Can Soak in These Eight Hot Springs in Alaska

From resorts to remote spots, natural thermal waters throughout the state beckon tourists

To understand Elma's life, researchers cut her tusk lengthwise and took samples to study the elements present in the ivory.

Meet Elma, a Woolly Mammoth Who Roamed Far and Wide More Than 14,000 Years Ago

By analyzing a fossilized tusk, scientists have pieced together the animal's movements

Backpackers hike near Crescent Lake in Alaska's Chugach National Forest.

Alps-Style Hut-to-Hut Travel Is On Its Way to Alaska

Several ambitious projects are poised to bring a long trail and 25 new huts to the Last Frontier

A chum salmon in Alaska's Katmai National Park and Preserve. Salmon numbers are declining in some places due in part to climate change.

Climate Change Is Pushing Salmon North in Alaska, Scientists Say

Researchers recently found about 100 chum salmon spawning in the Arctic, suggesting the species is shifting to new habitats

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How Scientists Tracked the Movements of a 17,000-Year-Old Woolly Mammoth

Isotopes tell the epic tale of one ancient mammal’s odyssey across Alaska

Journey Castillo is only 3 years old, but she's already traveled all over the country with her parents.

Meet the 3-Year-Old Who Visited All 63 U.S. National Parks

Journey Castillo and her parents, Eric and Valerie Castillo, started their quest during the pandemic

Alaska canceled its snow crab harvest for two seasons in a row.

Why Ten Billion Snow Crabs Disappeared Off the Coast of Alaska

The unprecedented die-off represents roughly 90 percent of the eastern Bering Sea population

Grazer, also known as 128 Grazer, stands in a river in September 2023, after bulking up for hibernation.

Meet Grazer, the Winner of Fat Bear Week 2023

A fiercely aggressive mother and a skilled angler, the massive brown bear has been crowned this year's champion in the annual online popularity contest

Orcas are opportunistic feeders that will take advantage of human fishing activities to get an easy meal.

Nine Orcas Have Died in Fishing Gear Near Alaska This Year

A "new behavior" from the animals might be linked to this sudden uptick in deaths, as they have been feeding in front of fishing nets, a trade group says

A mother bear and two cubs in Katmai National Park and Preserve in Alaska.

Before Fat Bear Week, Don’t Forget the Corpulent Cubs Competing in Fat Bear Junior

The offspring of Katmai National Park’s famous brown bears will face off in a bracket all their own

Scientists came across the golden orb while exploring the seafloor of the Gulf of Alaska with a remotely operated vehicle on August 30.

What Is This Mysterious Golden Orb Scientists Found on the Ocean Floor?

After bringing the four-inch-diameter blob to the surface, researchers still only know that it is “biological in origin”

A house collapses into the Mendenhall River.

Two Buildings Collapse, Others Damaged in Record-Setting Glacial Floods in Alaska

Floodwaters discharged from a basin behind Mendenhall Glacier at about 25,000 cubic feet per second, shocking meteorologists

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