The "Blue Marble" was the first photograph of the whole Earth and the only one ever taken by a human. Fifty years on, new images of the planet reveal visible changes to the Earth's surface.

NASA's images reveal Earth's deteriorating condition due to human actions, highlighting melting ice, deforestation, and ...

Widely acknowledged as one of the most widely distributed photographic images in existence, the "Blue Marble" was ...

Earth Day is today! Celebrate by participating in clean-ups, community gardening, and eco-friendly activities around Palm ...