Like to catch snowflakes? Try using a card instead of your tongue! Join the Global Snowflake Network for the International Polar Year. NASA Goddard Space Flight Center invites you to be a part of this special data collection effort....

Earth's polar regions: the "canary in the coal mine" of global climate change. The time to learn more is now. Two years of intensive research and education focused on the Earth's poles began March 1, 2007 with the launch of the...