Groundbreaking research on our ancient past from Dr Robert M Schoch...

Featuring Midnight in the Desert's Heather Wade and Harvard Space Professor Avi Loeb...

This time British author Laura Thompson and the nation's deepest murder mystery - the vanishing Lord Lucan...

Acclaimed US paranormal researcher Dr Gary Schwartz...

This time - ten years on - Ray Bowyer - the Aurigny Airlines Pilot who had a "close encounter" with a mile-long UFO...

Author and historian Garrett Graff on "doomsday" planning for a nuclear attack...

This time a man who says he's been on secret Mars missions - and the man who worked for the UK's MOD collating UFO reports...

Acclaimed New York journalist/author Leslie Kean - on her new research "Surviving Death"...

Paul Adams has spent years researching Harry Price - the UK\'s most famous paranormal investigator...

Richard C Hoagland on what he says is his biggest project yet - and Dr Horace drew on the messages in "crop pictures"...