Which unusual military disappearances defy expectations? Find out all about some of history's greatest mysteries.

Over the course of human history, numerous cases of disappearance have intrigued and baffled authorities, family members, and ...

To this day, no one knows exactly what happened to pilot Amelia Earhart and her navigator during their attempt to circumnavigate the globe. Here's what we know: Earhart and her navigator Fred Noonan ...

Some mysteries refuse to die. They linger in our collective consciousness, sparking debates and theories that span generations. When people vanish without a trace, we’re left with more questions than ...