Scientists confirm cave on the moon that could be used to shelter future explorers

CAPE CANAVERAL, Fla. — Scientists have confirmed a cave on the moon, not far from where Neil Armstrong and Buzz Aldrin landed 55 years ago, and suspect there are hundreds more that could house future astronauts. An Italian-led team reported Monday that there's evidence for a sizable cave accessible from the deepest known pit on the moon. It's located at the Sea of Tranquility, just 250 miles (400 kilometers) from Apollo 11's landing site. The pit, like the more than 200 others discovered up there...