The incident reportedly involved someone deliberately placing debris at the site of an aircraft crash.
The secretive tunnel would have been used by Roman emperors to make a quit exit from the legendary arena.
A space rock that nobody had noticed until after it had passed us by proved quite a surprise last week.
Dr Max Rempel has made the startling claim that some people carry DNA indicative of alien genetic manipulation.
Several prominent unexplained incidents have occurred in the US state over the last 80 years.
Another world relatively close to home is now thought to be a promising place to look for signs of alien life.
The breakthrough could soon make it possible for human babies to be born without a biological mother.
The mysterious material, which is strewn across southern Australia, is found nowhere else on Earth.
An asteroid that once posed a risk to the Earth may now be headed straight for the Moon instead.
The US President unexpectedly announced the move which could help to solve the mystery once and for all.
The bizarre incident saw the group fired at while searching for the site of a local legend in Willacy County.
The incident involved sightings of an unidentified object followed by an extensive search-and-rescue operation.
The bizarre incident happened in Germany where the vehicle was pulled over by police who spotted the animal in the back.
The man had reportedly opened fire at the main gate to the Nellis Air Force Base around 80 miles from Groom Lake.
The defense giant has revealed what it describes as a 'Group 5 survivable and lethal collaborative combat aircraft'.
Two residents managed to capture footage of the object when it appeared above the city back in August.
A recent lake monster sighting saw a stunned witness record footage of something moving across the water.
A firm in China has developed human-like faces for robots that are eerily realistic and capable of expressing emotions.
The famous radio telescope was once part of efforts to send messages to extraterrestrial civilizations.
Archaeologists have found the remains of a 2,000-year-old port to the west of Alexandria, Egypt.