The name Mary Celeste refers to one of the greatest sea mysteries, that still remains unanswered, almost 150 years later.

Over a third of Americans believe that global warming is a hoax, and over half believe that Lee Harvey Oswald did not act alone in the assassination of John F. Kennedy. These are examples of conspiracy theories—explanations for important events that involve secret plots by powerful and malevolent groups.

On February 20, 2009, Bernie Bamford, a British aeronautical engineer roaming in Google Earth, spotted underwater formations reminiscent of building blocks.

Rudolf Hess was born on April 26, 1894 in Alexandria, Egypt. His father was a wealthy Bavarian merchant. He grew up in Alexandria until the age of 12 when he was sent back to Germany to continue his education at Bad Godesberg.

For years, shortwave radio enthusiasts have noted a curious phenomenon: radio stations that seem to pop-up out of nowhere, read a list of numbers, then disappear... sometimes forever.

Despite the technological and scientific progress, our world is still full of phenomena, stories and sites that raise questions and/or are difficult or impossible to explain rationally.

The CIA declassified hundreds of documents in 1978 detailing the Agency’s investigations into Unidentified Flying Objects (UFOs).

The UFO phenomenon, shrouded in mystery throughout the modern era of American science — and still today — has received mixed treatments from historians of science.

Mother and daughter, the spirits of barleycorn and love, and the queen of the dead, were honored with great and popular celebrations twice a year, at the time of sowing and the time of reaping.

Abandon all your possessions and run for the hills: It has been foretold that the world is coming to an end sooner than you think, in the year 2012. It seems that you can't pick up any newspaper or magazine without reading that the apocalypse is almost upon us.

Amelia Mary Earhart was a noted American  aviation  pioneer and author. Earhart was the first woman to receive the Distinguished Flying Cross

The Bloop is the name given to an ultra-low frequency and extremely powerful underwater sound detected by the U.S. National Oceanic and Atmospheric Administration (NOAA) several times during the summer of 1997.