Not since a monolith was found on the surface of the moon in Stanley Kubrick's classic "2001: A Space Odyssey" has a mystery object confounded the greatest minds of our generation. Or maybe not.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SALT LAKE CITY (AP) — Deep in the Mars-like ...

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A strange monolith found jutting out of the rocks in a remote mountain range near Las Vegas has been taken down by authorities. This photo provided by Las Vegas Metropolitan Police Department, the ...

Deep in the Mars-like landscape of Utah's red-rock desert lies a mystery: A gleaming metal monolith in one of the most remote parts of the state. The smooth, tall structure was found during a ...