A striking image captured by Google Earth shows Earth from a perspective that reveals the planet’s vast blue surface in ...

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.

Its photograph of Earth, blue and radiant in darkness, moved hearts across the globe. Subsequently, there was Apollo 17 in 1972. The astronauts took the Blue Marble—photo AS17-148-22727 ...