This gorilla might owe its life to a heroic park warden
Rodrigue Katembo has saved critically endangered wildlife in the DRC's Virunga National Park, including mountain gorillas, elephants and hippos.
Japanese toilet maker taps U.S. engineers’ skills
A decision to manufacture its toilets in the U.S. and a reputation for being environmentally friendly are key to Japanese company TOTO's success.
Keeping plastics out of our oceans
Managing waste so that it doesn’t end up in our oceans is a worldwide challenge. Get tips from researcher Jenna Jambeck on how to reduce plastic pollution.
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.