'Hidden for 67 years': NASA just found a lost city under the ice in Greenland
NASA discovered a long-lost Cold War base beneath Greenland's ice. Using radar, scientists revealed hidden structures, ...
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NASA's Day of Remembrance: Three tragedies that shook the space program
Seventeen astronauts were lost in the Apollo 1 fire and the Challenger and Columbia space shuttle disasters. The crew of Apollo 1 during training in Florida in January 1967. From left, Virgil "Gus ...