The true purpose of the enigmatic timber circle situated along the British coastline had puzzled researchers for years.
The phenomenon has been hailed as a miracle, prompting an investigation by church officials.
The private jet and its passengers had vanished without a trace, leading to decades of fruitless searches.
Researchers have unearthed a huge collection of rock engravings in South America dating back over 1,000 years.
One of the most unusual comets in the solar system is due to make its closest approach of the Earth today.
For years, a radio station broadcasting continuously out of Russia has managed to defy explanation.
For years, anthropologists struggled to determine which human ancestor the skull - along with two others - belonged to.
For years, rumors have circulated suggesting that the singer was replaced decades ago by a body double.
The remarkable spectacle, known as the CG 4 cometary globule, is situated 1,300 light years from Earth.
The surprisingly clear image shows what appears to be a metallic saucer-shaped object in the sky.
Scientists have been listening out for alien messages for years, but perhaps we'd be better off not receiving anything at all.
Recent renovation works have seemingly stirred up paranormal phenomena at the St Landry Parish courthouse.
Almost six decades ago, a chilling encounter with an unidentified object left one man with physical injuries.
At the time of its original release, some people believed that the iconic found-footage movie was actually real.
The Harvard astrophysicist has become synonymous with the hunt for evidence of aliens in recent years.
The SpaceX CEO has some ambitious plans to build a thriving city on the Red Planet within as little as 20 years.
A high-profile mass UFO sighting in Australia is still no closer to being solved almost six decades later.
For years, archaeologists have remained divided over the discovery of alleged giant skeletons and artifacts.
Over 45 years ago, pilot Frederick Valentich vanished without a trace after encountering a UFO off the coast of Australia.
An image shows what appears to be some sort of serpent-like creature in New York's Hudson River.