There was a time when gazing up at the sky was enchanted. The planet appeared limitless, green and blue, teeming with life. But now, from the skies, Earth speaks differently—one disfigured by decades ...
The famous photograph known as Pale Blue Dot was snapped by Voyager 1 in 1991. In his book entitled Pale Blue Dot, Carl Sagan referred to the image to describe the insignificance of our world in ...
December 7 marks the 50-year anniversary of the Blue Marble photograph. The crew of NASA’s Apollo 17 spacecraft – the last manned mission to the Moon – took a photograph of Earth and changed the way ...