Clouds swirl over the vast African continent and south polar ice cap, all set against the deep blue of our world’s oceans. The iconic photo, known as “Blue Marble,” was taken by NASA ...

The mission is notable for another reason: the famous "Blue Marble" photograph of Earth fully illuminated by the sun. This stunning image supercharged the nascent environmental movement in the ...

Local meteorological station of Beijing issued blue warning signal of rainstorm on Friday.[Photo/Xinhua] ...