Even during the Oracle at Delphi’s time, it was widely known that the Oracle’s visions had a practical cause. Gas seeped out of the cracks in the cave where she sat, causing her to talk ...

Relying on clues from the past, a team of 19th-century archaeologists uncovered Delphi, the site where ancient Greeks asked questions, and Apollo answered them.

Something in the ancient Greek temple of Delphi made its priestess high enough to believe she could predict the future. Scientists just can’t agree on what. In the temple, the resident female ...