Solar system exploration is approaching a major turning point just as it is surpassing a major milestone. Fifty years ago, on Aug. 27, 1962, NASA launched the first successful planetary probe, Mariner ...
Developed together, the twin Mariner 1 and 2 spacecraft were based on the Ranger lunar probe and planned for a joint mission to our closest neighboring planet. The probes featured seven instruments ...
Once imagined as humid and hot forested wetlands, shrouded in clouds, Venus was the setting for countless sci-fi pulp imaginings. Edgar Rice Burroughs, a prolific pulp sci-fi writer, wrote of a hot ...
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