This week, authorities in Albuquerque continue searching for clues in the mysterious disappearance of retired U.S. Air Force Major General William Neil McCasland.

In China, a particular species of edible mushroom causes hundreds of cases of hallucinations annually, as well as some delirium, dizziness, and mania. The hallucinations tend to be of tiny “elves” ...

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research Program, or HAARP—believe another. A common misconception is that it can ...