Astrum on MSN
How NASA’s MESSENGER Beat Gravity to Reach Mercury
Though Mercury is the closest planet to Earth, it’s one of the hardest to reach. Any spacecraft heading inward must fight the ...
Live Science on MSN
$20 million NASA mission to visit 'God of Chaos' asteroid saved from budget cuts in last-minute decision
NASA's OSIRIS-APEX mission, which was one of 19 designated to be canceled by the Trump administration, has been saved from ...
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