The Moon’s largest crater is hiding something, and astronomers don’t know what

Compared to other bodies in our Solar System, Earth's moon isn't particularly huge. However, its relatively small size belies one of its most interesting features, which is a colossal crater measuring over 1,500 miles across. Now, researchers believe the crater, which forms a huge basin on the far side of the Moon near its south pole, is hiding something.In a new study published in Geophysical Research Letters, researchers reveal the discovery of a huge mass hiding beneath the crater. An incredi