Not all unsolved mysteries involve loss or disaster; some are centered on historical events or questions of health. These incidents can be so bewildering that piecing together an explanation seems ...

The U.S. military has nearly infinite resources, so when they are stumped, it really means something. These are some of the biggest military unsolved mysteries of all time.

Add Yahoo as a preferred source to see more of our stories on Google. One of the defining features of the past is that we know what happened. It’s how things work, with the way that we move through ...

The mystery cults of classical Greece and Rome remain appropriately mysterious to historians. In contrast to the mainstream currents of Greco-Roman paganism, where rites were conducted in the open, ...