Most of Greenland is covered by Arctic ice.
AP Photo/John McConnico
In 1867, the US bought Alaska from Tsar Alexander II for a tidy sum of $7.2 million. Trump probably wouldn't be able to get that kind of bargain for Greenland.
Smoke from wildfires in Siberia drifts east toward Canada and the U.S. on July 30, 2019.
A researcher based in Fairbanks, Alaska, links 2019's record-breaking wildfires in far northern regions of the world to climate change, and describes what it's like as zones near her city burn.
A view of University of Alaska Fairbanks.
Nationwide, state government money has become a smaller and smaller fraction of public higher education budgets.
Students protest Alaska Gov. Mike Dunleavy’s budget cuts at the University of Alaska, Anchorage campus.
The Alaska Landmine
How did Alaska, one of the richest states in the Union, end up with budget cuts that lawmakers on both sides say could wreck the state's future? One answer's found in three letters: PFD.
A decade-long project to excavate a sod house from half a millennium ago has yielded nearly 100,000 artefacts.
A polar bear crosses ice In Alaska’s Chukchi Sea area, where a recent court ruling bars the Trump administration from greenlighting offshore drilling.
NOAA/OER/Hidden Ocean 2016:The Chukchi Borderlands
Can presidents undo decisions by their predecessors to protect federal lands from development? A recent court ruling on offshore drilling says no, and could also affect contested lands in Utah.
Yana Mavlyutova / shutterstock
Much of our scientific knowledge comes from just two regions in Alaska and Sweden.
2016’s warm winter meant not enough snow for the start of the Iditarod sled dog race in Anchorage, so it was brought by train from 360 miles north.
For everyone from traditional hunters to the military, the National Park Service to the oil industry, climate change is the new reality in Alaska. Government, residents and businesses are all trying to adapt.
Dance is a unique way of passing on cultural stories to a younger generation.
Many Native languages are dying, and their loss has deep and profound implications for our world.
Scientists on Arctic sea ice in the Chukchi Sea, surrounded by melt ponds, July 4, 2010.
Climate change is transforming the Arctic, with impacts on the rest of the planet. A geographer explains why he once doubted that human actions were causing such shifts, and what changed his mind.
The Arctic National Wildlife Refuge is home to a great diversity of wildlife – one reason environmentalists oppose oil and gas drilling.
US Fish and Wildlife Service
Alaska and oil proponents are cheering a move to open up an ecologically sensitive part of the Arctic National Wildlife Refuge to drilling -- a position environment supporters can't abide.
A brown bear snags a sockeye salmon in Alaska. In warm years, red elderberries ripen early and Kodiak bears leave streams full of salmon to eat them.
Climate change is making berries ripen early in Kodiak, Alaska, luring bears away from eating salmon. This shift may not hurt the bears, but could have far-reaching impacts on surrounding forests.
San Juan, Puerto Rico, Nov. 3, 2012.
AP Photo/Ricardo Arduengo
Hawaii was the last state to join the Union. It didn’t happen without a lot of political dealmaking.
A sea otter floats in Kachemak Bay, Alaska.
AP Photo/Laura Rauch
Sea otters had been absent from this Alaskan national park for at least 250 years. By marrying math and statistics, scientists map this animal's successful comeback.
Trans-Alaska Pipeline, northern Brooks Range, Alaska.
Oil production used to fall when prices were low. But a new drilling boom in Alaska, driven by technical advances and global partnerships, spotlights America's rise as a world oil power.
Denali is the highest peak in North America, and the tussle over its name symbolizes the U.S. relationship with Alaska’s Natives.
Al Grillo/AP Photo
The tale of how and why Russia ceded its control over Alaska to the U.S. 150 years ago is actually two tales and two intertwining histories.
There could be great wealth out there. But who benefits from it?
Space mining could generate a massive resources boom. Here's a way to make sure the benefits of that boom reach everyone on the planet.
The biggest state has a brand new map.
Geologic Map of Alaska
On printed maps, piling on the detail risks obscuring the meaning. This new digital map is really more of a database from which users can create different versions that match their own interests.
Obama made a trip to Alaska to steer the national conversation to the effects of climate change.
Obama's trips to vastly different areas – New Orleans and Alaska – laid bare the rising costs of adapting to climate change, now and in the future.
The tallest mountain in the US is again called Denali.
For millennia, the Koyukon Athabascan have called the 20,000-foot mountain "the tall one."