Ravenna Koenig

In many places, spring happens gradually. But in far-north Fairbanks, Alaska, birch and aspen trees often put their leaves out over a span of just 24-48 hours, a dramatic event known as "greenup."

In many places, spring happens gradually. But in far-north Fairbanks, Alaska, birch and aspen trees often put their leaves out over a span of just 24-48 hours, a dramatic event known as "greenup."

On the first anniversary of the Lahaina wildfire, survivors reflect on loss, resilience, and the ongoing journey toward rebuilding their community.

Dillon Helbig wrote a book over winter break and slipped it onto a local library shelf in Boise, Idaho. After librarians found it, they entered it into their catalog. Now it's on a long waiting list.

More than 100,000 small businesses have closed due to the pandemic. That's an economic loss, but also an emotional one for patrons of a beloved art and antiques shop in Seattle.

An Arctic research expedition faces a carefully orchestrated crew change. Members reflect on how they feel about emerging from the ship into a pandemic, or from social isolation into close quarters.

Some projections say that by 2040 the Arctic Ocean may see its first ice-free summer in modern history. That means mixed emotions for young scientists seeing the ice for the first time.

Young Arctic researchers get their first glimpse of sea ice — and reflect on how the ice caps may melt away over the course of their careers.

The Arctic Ocean is a stunning place that not many get the chance to see. But if you're a scientist there to do field work, that beauty comes with some pretty unique challenges.

Scientists have frozen their ship to an ice floe to study the causes and consequences of diminishing Arctic ice, in the hopes of improving how the Arctic is represented in climate models.