Browse Curiosmos

Unsolved Mysteries

Investigations into enduring mysteries from history, archaeology, and science. We examine claims, track the evidence, and highlight what researchers know (and what remains uncertain).

Alan Turing's Secret Manuscript-10 Things You Should Know

Alan Turing’s Secret Manuscript

Alan Turing is famous today, heralded as the father of modern computing and artificial intelligence. Many people are familiar with Turing’s life, as seen in the 2014 movie, The Imitation Game,…

A visualization of the Tunguska Event supporting the version of a meteorite impact. Credit: Napalete.sk

What Caused The Mysterious Tunguska Explosion of 1908?

On June 17, 1908, in the sky over a sparsely populated area of ​​the taiga, near the Podkamennaya Tunguska River, a powerful explosion thundered. In most cases, the Tunguska event…

Depiction of a marital duel from Hans Talhoffer's fencing manual from 1459. Credit: Wikipedia

What Were the Marital Duels in Medieval Germany?

Medieval justice was very peculiar. I can give a quick and curious example with animal trials. Cats, dogs, bulls, caterpillars, and other creatures of God were sent to the scaffold…

The sarcophagus on the lowest level of the Osiris Shaft when it was opened. Credit: iramofpillars.com

What Was Hidden In The Submerged Osiris Shaft in Egypt?

Ancient Egypt has attracted people from all over the world for centuries. Seekers of mysterious artifacts, wise knowledge of distant ancestors, fabulous treasures – all of them aspired to the…

Apollo 10 astronauts Eugene Cernan, John Young and Thomas Stafford photographed before the famous mission. Credit: NASA

Apollo 10: Contact With Aliens Or A Bug In The System?

Surrounded by the vastness of outer space, Apollo 10 astronauts suddenly lost contact with the Houston Control Center. At this point, they encountered an unidentified radio signal. They didn’t know…