A planet shows evidence of an Earth-like atmosphere, while a mysterious glowing light suggests the impossible: an atmosphere on the Moon.

Could spaceships really be powered by atomic bombs? Plus, why was Neil Armstrong's transmission feed cut off when he spotted strange lights on the Moon?

Test pilot ace Gordon Cooper is preparing to test a revolutionary landing system when two UFOs appear. Plus, what is the mystery of Saturn's mega-hex?

Images of Mercury reveal massive spider-like formations on its surface. Is it an odd geological formation - or something much more ominous?

How did pictures from the Hubble telescope make the comet of the century look like an alien spacecraft? Has earth already been invaded by alien organisms?

A sonar recording may prove that a prehistoric monster stalks the seas around Kodiak Island. Researchers investigate the disappearance of thousands of airplanes.

Test pilot ace Gordon Cooper is preparing to test a revolutionary landing system when two UFOs appear. Plus, what is the mystery of Saturn's mega-hex?

Images of Mercury reveal massive spider-like formations on its surface. Is it an odd geological formation - or something much more ominous?

How did pictures from the Hubble telescope make the comet of the century look like an alien spacecraft? Has earth already been invaded by alien organisms?

Riding along the Isle of Man may not be a taxing adventure, but the island is home to perhaps the most famous road race in the world and Henry Cole is about try it.

Starting in Auckland, Henry Cole sets off on two wheels but soon takes to the air and sea to see more of the breath-taking scenery New Zealand is known for.

Henry Cole continues his adventure through the South Island, New Zealand. His route takes him through primeval forests and beautiful coastal towns.

Test pilot ace Gordon Cooper is preparing to test a revolutionary landing system when two UFOs appear. Plus, what is the mystery of Saturn's mega-hex?

In an effort to reopen the family gold mines, SJ and her daughters pool their savings and head to Nome. Can the women keep their family's legacy alive?

Severe weather hits Gold Run and tempers erupt and trust issues arise between the women and their miners. Can the team confront their problems and move on?

Don investigates a horrifying nightclub fire which claimed the lives of almost 500 people. Plus, a massive drugs bust at an undercover wedding.

Don investigates an object that washed up on a beach, the explosive story of how a WWII bomb ended up buried in New York City and more!

The team travel to South Carolina to investigate reports of demonic activity at a 200-year-old plantation. What will they discover on their trip?

The team travel to North Carolina to investigate paranormal activity. Terrifying apparitions have the couple fearing for their unborn baby's safety.

The team investigates a humanoid bipedal. They track the elusive creature through a twenty-mile cave system toward a series of snare traps.

Jack takes Ozzy, Sharon and Kelly on their first ever paranormal investigation. He's secured a terrifying location - will they all make it out in one piece?

AIMS are in a race to flee the Dark Forest. Plus, after a health update from Trapper, they hunt for an old barn that may hold the key to answers they need.