A review of data showed that the Birch Glacier was a rarity in that it has been advancing while most glaciers have been ...

When winter sets in and food gets harder to find, not every animal chooses to migrate or push through the cold. Some take a completely different path– they slow everything down and enter a deep, ...

Migratory birds are some of nature’s most efficient travelers, able to cross oceans and continents in a matter of days or ...