Latest about on this day in space
On this day in space! Aug. 25, 1997: NASA launches Advanced Composition Explorer to track solar wind and so much more
NASA's Advanced Composition Explorer, or ACE satellite, studies energetic particles traveling through space.
On this day in space! Aug. 24, 2006: Pluto loses its planet status
On Aug. 24, 2006, the International Astronomical Union (IAU) decided that Pluto wasn't a planet anymore.
On this day in space! Aug. 23, 1961: Ranger 1's botched space launch
On Aug. 23, 1961, NASA launched the Ranger 1 robotic spacecraft on a precursor mission to test new technologies for later moon missions.
On this day in space! Aug. 22, 1963: X-15 sets world altitude record
On this day in space! Aug. 22, 1963: U.S. Air Force Captain Joe Walker flew an X-15 rocket plane higher than any pilot had ever flown before.
On this day in space! Aug. 21, 1914: Total solar eclipse expedition crashed by WWI
On Aug. 21, 1914, a total solar eclipse temporarily darkened skies across Europe and Asia.
On this day in space! Aug. 20, 1977: Voyager 2 launches to the outer planets
On this day in space! Aug. 20, 1977: NASA launched the Voyager 2 spacecraft on a mission to explore the outer planets.
On this day in space! Aug. 19, 1997: 1st Filipino satellite launches into orbit
On Aug. 19, 1997, the Philippines launched its own satellite for the first time.
On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium
On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium
