A moon cave that could shelter astronauts found under the Sea of Tranquility
Note to the editor: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, register for free …
Note to the editor: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, register for free …
Scientists have long theorized about the existence of moon caves — underground passages formed by volcanic processes that are connected to the pits that cover …