Learn why a seismologist wants to go ghost-busting in Summerville, South Carolina, and how earthquake lights could help us ...

Hough began to wonder about the possible earthy origins of ghost lights after reading a Halloween-week USGS newsletter with links to "spooky science" studies. "That sparked—so to speak—an idea ...

A South Carolina ghost story could have a very earthly explanation. Starting in the 1950s, folks in the Summerville, S.C., area began reporting sightings of strange balls of light floating down a ...