The Cygnus XL cargo craft is maneuvered by the Canadarm2 robotic arm toward the International Space Station’s Unity module for installation. Credit: NASA Northrop Grumman’s inaugural Cygnus XL ...
Some of the main modules of the International Space Station are nearly a quarter-century old. "That's considered classic for a car," said Bennett Maruca, an astronomer and physicist at the University ...
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