Joe Velaidum and his partner, Laura Kelly, set out to walk their dog when their doorbell camera captured a meteorite striking ...

Splat! A meteorite impact recorded by a doorbell camera gave scientists a rare view of a space rock at the moment it hit Earth. The sound is like shattering glass.

But somehow, that’s not the most interesting thing about them. Pallasites are also the most mysterious type of meteorite, since even today, nobody’s quite sure how they’re formed.