Dive into the 25 Greatest Unsolved Mysteries Ever! From ancient vanishings to modern enigmas, explore the world's most ...

Cold-case investigator Sheryl McCollum discusses the people, evidence and storytelling that help unfinished cases finally ...

Sometimes a routine murder investigation becomes anything but. Sometimes it even goes down in history. Sometimes a routine ...

It's only natural to feel fascinated by unsolved mysteries, but modern thriller novels and true crime documentaries barely ...

What happened to the lost gold stolen by the Nazis in World War Two? In Dan Snow's long career as a broadcaster, he's come ...

A look at the real people behind the upcoming limited series.

A quasar — among the universe's most luminous and energetic objects — is a supermassive black hole caught in the act of ...

NBC's DATELINE is set to air a new report titled 'The Mushroom Mystery' on Friday, July 24 at 10 p.m. ET/9 p.m. CT, examining the case of an Indiana wife accused of poisoning her husband with ...

The 26-year-old was on her way home from a concert when she was shot. While initially believed to be a victim of the ...

New theory offers a solution to one of the Dead Sea Scrolls' longest-running puzzles, arguing the out-of-sync calendar was ...

For 263 years, rumors of a lost colonial town on St. Andrews Bay have endured. The evidence is murky, but the mystery of ...