28 August – A total lunar eclipse occurs, visible in some parts of the Americas and Asia, and all of Australasia and the Pacific Ocean.
11 September – A partial solar eclipse occurs, visible in southern areas of South America.
27 September – NASA's Dawn spacecraft is launched, beginning its journey to the asteroid belt objects Vesta and Ceres. It reached Vesta in 2011, and Ceres in 2015.[12]
24 October
Comet
17P/Holmes suddenly brightens from 17 to 2.8 magnitude
26 October – Arthur Kornberg (b. 1918), American biochemist, winner of the 1959 Nobel Prize in Physiology or Medicine for his discovery of the mechanisms in the biological synthesis of DNA