Mars Makes History: Closest to Earth Aug. 27

As if executing a cosmic air kiss, Earth and Mars will come as close as they desire in the wee hours of Wednesday during an historical event that has captivated the attention of skywatchers around the globe. The two planets will be separated by 34,646,418 million miles (55,758,006 million kilometers) at 5:51 a.m. ET (1051 GMT) on Aug. 27.