Why polar bear fur doesn't freeze
New research finds that grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant to freezing.
ice melt
Days are getting slightly longer — and it's due to climate change
So much ice is melting at the Earth's poles that it's affecting the rotation of the planet, scientists say. Its spin is slowing down slightly, causing days to get longer.
Why it's so important to figure out when a vital Atlantic Ocean current might collapse
Scientists know a current in the Atlantic ocean could collapse suddenly as the climate changes. The question of when matters to billions of people around the globe.
The race to protect people from dangerous glacial lakes
An estimated 15 million people are threatened by floods that happen when glaciers melt rapidly. Nepal's Himalayan communities are on the front lines.
Soot is accelerating snow melt in popular parts of Antarctica, a study finds
Arctic communities have long been plagued by soot that drives snow melt and respiratory disease. Now, humans are making their mark in Antarctica.
Studying The Ripple Effects Of Shrinking Arctic Sea Ice
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.
For Islanders In Lake Superior, Warmer Winters Mean They Can't Drive
A warmer climate is melting an ice road on Lake Superior that usually forms in the winter. But increasingly, the ferry connecting an island on the lake with the mainland must run year-round.