•  A Chinese girl walks past a skull said to be that of a villager killed by Japanese troops in the Second World War during a visit to a WWII museum on Sept. 1, 2015 in Beijing, China.

A Chinese girl walks past a skull said to be that of a villager killed by Japanese troops in the Second World War during a visit to a WWII museum on Sept. 1, 2015 in Beijing, China. (Photo : Getty Images)

A team of contractors in Denmark has discovered a mysterious skull with huge eye sockets and unusual fanged teeth. The team believes that this skull may have belonged to an alien that existed on Earth millions of years ago.

The strange skeleton was discovered by a team of Danish contractors in 2007 who were replacing old sewage pipes on Sealand Island, according to the Express. The skeleton is about 50 percent larger than a normal human skull and has unusually large eye sockets.

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Allegedly, the skull has been recovered while digging out 100-year-old underground building that, many years ago, belonged to a butcher. According to a group of experts from Veterinary College in Copenhagen, even though the skull resembles that of a mammal, "certain features make it impossible to fit the animal into Linnaean taxonomy."

Since the discovery of the mysterious skull, the scientists have not been able to link it to any of the species of mammals present on Earth. A carbon dating of the skull revealed that it is around 800 years old. The age of the sample is particularly strange, especially considering the fact that it was discovered in a pipe just 100 years old.

After examining the skull for the first time in 2010, the researchers decided to get the area excavated further to find any clues related to the skull. However, apart from a few stone axes, equipment and animal bones, the team did not find anything that could directly relate to the weird and mysterious skull.

A group of experts claims that the area of Sealand was once home to a mysterious section of writers and poets who had one mission in life - to protect unbreakable alien artifacts. The skull recovered by the Danish contractors was a part of these artifacts, which was left behind by extraterrestrial creatures who once visited Earth all the way from constellation Pegasus.

Meanwhile, editor of ufosightingsdaily.com, Scott C Waring is certain that the skull belongs to an alien-human hybrid.

"The enlarged eyes, the teeth are mind-blowing. It doesn't fit into any known species and is 50 percent larger than a human skull. Perhaps a half human, half alien hybrid," Waring told the publication.

Meanwhile, a UFO was spotted flying above New York City, according to Metro. The appearance of large, black object in the sky baffled a group of motorists who captured the weirdest moment in a video. People even claimed having felt vibrations and hearing a loud noise before the appearance of the object.

Here is the video that captured the UFO over New York City: