But are UFO sightings like this one a sign of extraterrestrial life, spies from a rival nation—or just weird weather? Photograph by DEPARTMENT OF DEFENSE/The New York Times/Redux There’s ...

After Border Patrol higher-ups seemed uninterested in the rubber duck video, Thompson turned to UFO investigators in his search for answers. UFO researchers point to anomalies in the videos that seem ...

Do we now have an answer? The Mona Lisa is of course one of the world’s most famous pieces of artwork, yet people have always wondered whether the wwoman depicted in the painting is smiling or not.

Picture this: It’s 1939. War clouds are looming over Europe, Hitler’s armies are gearing up to roll into France, and the world is on the brink of chaos. But while politicians and generals ...

We’ve all got a mental image of the world’s most famous places and moments in history. Usually the same ones that we’ve seen on postcards, travel blogs, and our aunt’s Facebook from that ...

Leonardo da Vinci's Mona Lisa, painted in the 15th century, is widely regarded as the most famous painting in the world. It’s game time! Can you locate the real Mona Lisa before the clock hits zero?

When we think of The Mona Lisa painting, we often imagine it hanging in The Louvre. Our first association with Christ The Redeemer is probably a picture taken from the ground or up in the air ...

Despite the painting’s high price tag, there is no consensus among experts about who painted the altarpiece, where it was commissioned or even what country the artist was from. Last exhibited in ...

Works by contemporary artist Mona Hatoum and 20th century sculptor Alberto Giacometti are seen together for the first time in this ground-breaking exhibition, part of Encounters: Giacometti. Works by ...

The so-called 'UFO' was spotted in March over the town of Buga, zig-zagging through the sky in a way that defies the movement of conventional aircraft. The object was recovered shortly after it ...

DENVER (KDVR) — The UFO Watchtower in Saguache County attracts thousands of people worldwide every year, but 25 years ago, it was just a plot of land. Since its opening, the watchtower said ...