Explore the full date: Today in History – September 3.
September 3, 1976 | Viking 2 Lands on Mars
On September 3, 1976, NASA’s Viking 2 made history by landing on Mars, providing groundbreaking insights and images from the Red Planet. This mission marked a significant milestone in space exploration, paving the way for future Mars missions.
SCIENCE & SPACE
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LCROSS Strikes the Moon and Finds Water: 9 October 2009
On 9 October 2009, NASA’s LCROSS mission struck Cabeus crater, sampled the plume and confirmed water…
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Sputnik 1 Launches on 4 October 1957: The Signal That Changed the Space Age
A small Soviet sphere entered orbit on 4 October 1957. Sputnik’s radio signal made an engineering…
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Pioneer Venus 1 Sends Its Final Signal on 8 October 1992
Pioneer Venus 1 sent its final signal on 8 October 1992 before entering Venus’s atmosphere, ending…
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Luna 3 Photographs the Far Side of the Moon on 7 October 1959
At 03:30 UT on 7 October 1959, Luna 3 took the first images of the Moon's…
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