"There are certainly mysteries still in the game, and there will probably always be some mysteries in the game," Ros said. "And in order to preserve that mystery, I will probably never fully ...

Investigators from the government and social media have spent months trying to find out where a mystery smell that swept through Southwest Washington on its way to Portland in September originated.

Bizarre noises detected around the deepest ocean trench on Earth have finally been identified. These strange "biotwang" sounds—first detected in 2014 during an acoustic survey of the Mariana ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." An extremely slow pulsar has made scientists “slow down” their assumptions about other pulsars. The pace ...

The world seems to have a never-ending supply of weird little doohickeys and thingamabobs that people find but can't quite identify. Luckily, thanks to the r/whatisthisthing subreddit, we no longer ...

The evaporating reservoir waters at Silver Lake Park have revealed a stunning, crime-movie find: what appears to be a pistol and a pair of brass knuckles. The weapons were found by a Staten Island ...

The Red Dead Redemption series has a ton of unexplained mysteries worth looking into, so here are some of the best and ...

A paleontologist was trying to locate the site of a famous 1908 discovery when a rancher in Wyoming shared an important clue.