Be the first to see ultra-high-def video from space
Mark your calendars: On April 26, NASA is broadcasting the first live ultra-high-definition video from the International Space Station.
Rare antelopes return to Africa
Earth Day is April 22. Celebrate a success story and learn about the reintroduction of the oryx to the wild.
Cheetah cub boom: 10 in a week! [video]
Two litters of cheetah cubs were born during a single week at the Smithsonian Institution’s research facility.
April 21: Earth Day – seeing our planet from above and...
Join us for an interactive webchat to learn how different ways of seeing our planet affect how we think about it. Celebrate Earth Day with us!
How one school system is going solar
A small Indiana town has always relied on the sun to grow crops but now will count on it to power schools.
For Earth Day, a free poster
On Earth Day, April 22, celebrate the many species of wildlife that make the Earth's polar regions their home. This free poster is available for printing.
5 myths about wind energy
Wind energy has come a long way. Today it's more efficient and cheaper than ever. What do you think you know about wind energy that isn't true?
Hope for elephants: Ivory demand drops in China
Demand for elephant ivory in China has dropped sharply as that country plans to end the legal trade in ivory later this year.
U.S. group gives national parks to Chile
An American environmental group signed an agreement with Chile’s government to donate huge tracts of land for new national parks.