Some mysteries just refuse to die quietly. Decades pass, technologies change, entire generations of investigators retire, and ...

Despite decades of investigation, these baffling mysteries continue to defy evidence and expert analysis.

New details were released Monday, April 6, about a woman whose body was found more than 46 years ago in a ravine near Palm Desert. She went unidentified for decades, and her death remains unsolved.

Dorothy Jane Scott, a 32-year-old single mother from Stanton, California, received anonymous threatening phone calls for months in 1980. The caller expressed affection at times and made threats at ...