The varying colors of fall equinox

September 21, 2023

We are at fall equinox, a day of great equality: All the residents of the entire world -- from Tierra Del Fuego to Rome to Coldfoot -- will live their lives amid 12 hours of daylight, 12 of darkness on Sept. 22, 2023.

New Mars gravity analysis improves understanding of possible ancient ocean

September 19, 2023

The first use of a novel method of analyzing Mars’ gravitational force supports the idea that the planet once had an extensive northern ocean. In doing so, the method defines the scope of what scientists refer to as the northern Martian paleo-ocean in more detail.

Study: Near-surface permafrost will be nearly gone by 2100

September 15, 2023

Most of Earth's near-surface permafrost could be gone by 2100, an international team of scientists has concluded after comparing current climate trends to the planet's climate 3 million years ago.

Running over the same old ground

September 15, 2023

Oh my, it's that time again. The Equinox Marathon starts with a cannon blast on the third Saturday of September here at the University of Alaska Fairbanks.

UAF helps develop air quality data for popular Alaska wildfire website

September 11, 2023

Getting information about where wildfire smoke is headed in Alaska has become easy for the public, thanks to collaboration between the University of Alaska Fairbanks and the Alaska Fire Service.

Arctic sea ice in New York Fashion Week

September 09, 2023

Arctic sea ice makes its debut as wearable art during New York Fashion Week on Sept. 9. The Sea Ice Collection promotes sustainable "slow fashion" in an unexpected collaboration between scientists at the University of Alaska Fairbanks, artists and fashion designers.

The welcome return of an old friend

September 08, 2023

There was a time when Christine Gabriele wondered if she'd ever see one of her favorite creatures again.

Beaver activity in the Arctic increases emission of methane greenhouse gas

September 07, 2023

The climate-driven advance of beavers into the Arctic tundra is causing the release of more methane -- a greenhouse gas -- into the atmosphere.

Study: 'Forever chemicals' barely present in Arctic Alaska fish

September 07, 2023

A new study has found minute levels of chemical contamination in a small sample of Arctic coastal fish species, an encouraging finding for residents who rely on them for subsistence foods.

Team will study microbes' effect on climate change

September 07, 2023

Mario Muscarella and a team of researchers recently received $2 million in funding to study linkages between microbes and plants and how they affect sweeping climate-induced changes in northern tundra.