"That Mars is habitable by beings of some sort or other is as certain as it is uncertain what these beings may be," wrote Percival Lowell in the early 20th century. While other astronomers had their ...

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Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding of the Red Planet. The spacecraft was designed and built by the Jet ...

Red Planet Day reminds us how a single spacecraft, Mariner 4, transformed humanity's understanding of Mars and opened a new ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a 1/24th scale model of ...

NASA's Mariner 10 spacecraft got a look at Venus in 1974. Cosmos 482 never made it to the planet. The Soviet space program had a lot of hope riding on the Cosmos 482 mission when it launched in March ...