Based on a study published in May last year, the Moon’s inner core is indeed a ‘hard ball’. This research aims to provide an understanding of whether the core is solid or molten. In this piece, we ...
WASHINGTON--NASA wants to come up with an out-of-this-world way to keep track of time, putting the moon on its own souped-up clock. It’s not quite a time zone like those on Earth, but an entire ...