Weird ‘Anomaly’ at the Moon’s South Pole May Be a Metal Asteroid’s Grave

By Meghan Bartels There’s something very weird, and very dense, under the surface of the moon’s South Pole-Aitken basin, new research suggests. That unexpectedly massive patch may represent the buried remains of an asteroid that crashed into the moon’s surface and formed that basin in the first place. That new hypothesis is based on data from …