Weird, sometimes earth-shaking noises continue to be reported around the country and around the world. Consider these recent stories:
- In West Michigan, loud booms from clear skies that shook houses and even knocked down trees.
- In Windsor, Ontario, Canada, a low-pitched rumble has been going for months, yet just across the river in Michigan nothing is heard.
- In Oxfordshire, U.K., mysterious booms shook houses. Sonic booms from aircraft were blamed but not proved.
Read more about the mysterious sky noises being heard and recorded around the world. What do you think is causing them?