Widely acknowledged as one of the most widely distributed photographic images in existence, the "Blue Marble" was photographed by Apollo 17's Harrison Schmitt just ... as the astronauts had the Sun ...

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

NASA's images reveal Earth's deteriorating condition, a stark contrast to the iconic 'Blue Marble' photo. Decades of environmental neglect have led to ...