We were pushing through head-high willows along a brushy caribou trail, five days into our week-long trek across Alaska's Noatak valley, when my hiking partner, Brad Meiklejohn, startled me with a ...

Anywhere else in the world, more trees would be a blessing. But in the far north of Alaska, they’re a reckoning. As the Arctic warms up to four times as fast as the rest of the planet, white spruce ...

A newly discovered population of white-spruce trees is advancing northwards in Arctic Alaska, driven by ecological factors that are associated with climate change at this latitude — including stronger ...

As you looked out the windows of your house this winter at all the dormant and barren deciduous trees in your landscape, perhaps you thought that a little green would be a nice addition this year. But ...

Gigantic glistening snowflakes gently tumbled from the gray sky to land on thick branches of the spruce outside the picture window. Although I had a long list of things to do, the swirling snowflakes ...