Sky History2

The UFO Hunters travel to Stephenville, Texas to investigate multiple reports of strange lights in the sky.

Could insects have descended from extraterrestrials? Experts investigate whether Earth's 10 quintillion critters could have dangerous links to aliens.

Count down the world's top ten pyramid sites, from hidden structures in Peru to the famous landmarks of Giza in Egypt.

Dan Jones explores the history of Cardiff castle over more than 2,000 years and reveals how it transformed into a lavish Victorian home. (2 of.

Delve into the popular theories behind the Phoenix Lights phenomena, a series of widely sighted UFOs observed in Arizona and Nevada back in 1997.

Reports of encounters with strange beings and sightings of mysterious objects in the sky have occurred throughout history. Have aliens been with us all along.

Seven stone giants stand guard over a Pacific island. But what are they protecting? And from whom.

A team of experts explore the weapons used to recklessly attack civilian populations, from the brutal trebuchet to the devastating atomic bomb.

Soviet troops suffered huge casualties in Rzhev in 1941 causing the battle to be grimly nicknamed The Meat-Grinder. A look from the Russian perspective. (3 of.

Has the US military derived various forms of technology, including stealth technology, from downed UFOs? The UFO Magazine team investigate.

Follow the hunt for the truth about arguably the most famous lost treasure of all time - did the Ark of the Covenant really exist.

The Viking Coin, the Ancient Disk and the Dead Girl that Saved Millions: See one of the most famous coins ever discovered, and a death mask of a girl who drowned in Paris.

An investigation into the lost continent of Atlantis and whether it was home to an advanced civilization before it was destroyed in a cataclysm. (2 of.

Within a quiet valley lies a battlefield full of bones and weapons predating any previously discovered battleground. What experts unearth will rewrite our understanding of warfare. (2 of.

William Shatner continues his quest to find answers to the unexplainable, this week turning his attention to the apocalypse.

William Shatner is back on the hunt to find answers to the unexplainable, this week turning his attention to immortals.

Homicide detective Rod Demery and forensic scientist Turi King investigate an Iron Age victim, so well-preserved that he seems to be peacefully sleeping.

Reports of encounters with strange beings and sightings of mysterious objects in the sky have occurred throughout history. Have aliens been with us all along.