Algae that tinge snow red are to blame for about a sixth of the snowmelt at an Alaskan ice field Microbes ... making predictions about glacial melt. The pink color, sometimes called watermelon ...

Scientists have issued a warning about a striking but alarming sight that's occurring in Alaskan rivers ... temperatures ...

The archaeological site of Nunalleq on the southwest coast of Alaska preserves a fateful moment ... of the Earth now known as the Little Ice Age—that coincided with Nunalleq’s occupation.

But as my chopper swings low over the island, color catches my eye ... in a portion of Greenland's melt zone where the weathering of the top layers of the ice sheet exposes what is known as ...