Learn how an unexplained illness prompted hospital quarantines in Siberia and why reports of a plague ingestion remain ...

Recent research suggests that monitoring blood test trends over time, rather than focusing on a single test, may help ...

A new Netflix docuseries that breaks down eight seemingly inexplicable tales of ghost hauntings, alien encounters and mysterious disappearances shot up Netflix's most-watched show chart last week, ...

For most of us, weight fluctuates from week to week and even from day to day. But sustained and unexplained weight loss is a symptom of several serious illnesses.

NASA's Unexplained Files Season 6 continues to focus on many of NASA's intriguing missions. It explores different mysterious sightings of flying objects by utilizing NASA's space mission footage and ...

Yale researchers have shown that placental examination resulted in the accurate pathologic determination of more than 90% of previously unexplained pregnancy losses, a discovery that they say may ...

Clip show featuring remarkable, terrifying and unexplained camera footage. With first-hand accounts from those who captured the images and analysis from experts. Clip show featuring remarkable, ...

A missing schoolgirl has been found dead in a park hours after she vanished. The 11-year-old girl’s body was discovered near ...