When sonar first picked up a massive, stair‑like object on the floor of the Baltic Sea, the image looked less like geology and more like a movie prop. The structure’s circular outline, sharp edges and ...

Another strange monolith – this one more reminiscent of the one in the movie "2001: A Space Odyssey" – appeared earlier this week in Colorado northwest of Fort Collins. Nearly 250 mysterious monoliths ...

Footage of an 'alien fortress' on the moon has been dug up by a UFO expert who claims the images are evidence that other life is out there. The pictures, taken from the Lunar Orbiter satellite, appear ...

BUCHAREST — A shiny metal monolith vanished on Tuesday from Romania’s mountainous Neamt county, four days after its sudden appearance close to an ancient Dacian fortress sparked speculation it may be ...

Scientists believe they have finally established the truth behind one of the world’s greatest deep sea mysteries. Back in 2011, Swedish explorers Peter Lindberg and Denis Asberg were combing the ...

A new discovery beneath the Bermuda Triangle has added another layer to the mystery surrounding the region, known for its ...

SETI scientists have been quietly listening to a weirdly flickering star since it sparked intense speculation about alien megastructures last month. So far, ET’s not phoned home. The Search for ...

A “bizarre” star that had astronomers talking about alien civilizations might not be as strange as first thought. KIC 8462852, commonly referred to as “Tabby’s star” after the astronomer Tabetha ...

NASA’s Lunar Reconnaissance Orbiter (LRO) is an unmanned probe orbiting the Moon for the past decade.NASA’s space probe has in that time created detailed lunar maps identifying future landing sites, ...