Despite maintaining high ratings and an enthusiastic following, the UFO-themed series will not be renewed.
Archaeologists have unearthed a mysterious 19th-Century tunnel hidden beneath a station in Denmark.
Recently declassified documents have revealed the parts of the country with the most UFO sightings.
For the first time ever, organic compounds containing nitrogen have been found inside a meteorite from Mars.
Deluges of hailstones up to 9.3 inches in size have necessitated a whole new category designation.
Beachgoers at Mt Maunganui couldn't believe their eyes when they saw this strange spectacle earlier this month.
An inscribed stone tablet dating back 2,000 years may not be about Jesus' body as was previously believed.
Could some reports of Scotland's most famous lake monster be the result of seismic activity ?
A former French intelligence director has made the claim that UFOs could be coming from parallel worlds.
The famed Antarctic explorer's ill-fated vessel Endurance remains lost in the Weddell Sea over 100 years on.
Back in 1998, Lyle Zapato launched a tongue-in-cheek campaign to save what he called the 'tree octopus'.
Scientists have identified one of the more unexpected ways in which the body changes while in space.
British archaeologists have discovered a treasure trove of shipwrecks, the oldest dating back over 2,000 years.
Social media users were quick to spot a peculiar extra poking its head around a corner in the background.
British railway workers have discovered a previously hidden cave that was exposed following a landslip.
Melting ice in Norway has revealed a long-lost Viking-era mountain pass brimming with archaeological discoveries.
A large hairy humanoid sighted in the Turkey Mountain area has turned out to be a man wearing a costume.
One of Doctor Who's most iconic villains was filmed patrolling the streets ordering people to stay at home.
The crew of the orbital outpost have created a video explaining how they manage to stay fit in space.
Silent footage filmed during the Second World War shows a site connected to Britain's Enigma codebreakers.