The world warmed to yet another monthly heat record in January, despite an abnormally chilly United States, a cooling La Niña ...

The two friends had hiked New Hampshire’s challenging Mount Washington trail a month ago. They returned and did it again ...

New research finds that grease that coats polar bear fur contains a specialized mixture of chemicals that make it resistant ...

The Alaska Gold Rush town of Nome was hundreds of miles from anywhere and under siege from a contagious disease known as the ...