Scientists discover underground cave on the moon that could shelter astronauts on future trips to space - CBS News

1. Scientists discover underground cave on the moon that could shelter astronauts on future trips to space  CBS News
2. Radar evidence of an accessible cave conduit on the Moon below the Mare Tranquillitatis pit  Nature.com
3. Cave on the Moon Spotted in Radar Images From Lunar Satellite  Gizmodo
4. Scientists Detect Huge Caves Under Surface of Moon  Futurism
5. Shelter for lunar astronauts? Scientists discover cave on the moon  cleveland.com

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