Latest about on this day in space
On this day in space! Sept. 1, 1979: NASA's Pioneer 11 probe becomes 1st spacecraft to visit Saturn
On Sept. 1, 1979, NASA's robotic space probe Pioneer 11 became the first spacecraft to fly by Saturn. Here's why it mattered.
On this day in space! Aug. 31, 1965: NASA's ginormous Super Guppy carrier plane takes 1st flight like a flying whale
On August 31, 1965, NASA's Super Guppy cargo plane took its first test flight. like a flying whale. Here's why it mattered for the space agency.
On this day in space! Aug. 30, 1992: Astronomers discover 1st Kuiper Belt object out beyond Pluto
On Aug. 30, 1992, astronomers spotted an object orbiting the sun beyond Pluto for the very first time. Here's why the discovery of 1992 QB-1 mattered.
On this day in space! Aug. 29, 1965: NASA's Gemini 5 breaks spaceflight duration record after 2 astronauts spent '8 days in a garbage can'
On Aug. 29, 1965, two NASA astronauts returned to Earth after spending eight days in space on the record-setting Gemini 5 mission, setting the stage for longer trips to the moon.
On this day in space! Aug. 28, 1993: Galileo spacecraft flies by asteroid Ida on the way to Jupiter only to find a tiny moon!
On Aug. 28, 1993, NASA's Galileo spacecraft flew by the asteroid Ida on its way to Jupiter. Here's why it mattered.
On this day in space! Aug. 27, 1962: NASA launches Mariner 2 to Venus for ambitious flyby
On Aug. 27, 1962, NASA launched Mariner 2, the world's first spacecraft to successfully visit another planet: Venus.
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.
