Throughout history, hundreds of proofs of the existence of aliens have been discovered. Many of the messages have been debunked and labeled as sophisticated fraudulent hoaxes. But some of them have remained unexplained.
Sri Lanka meteorite
The British scientist argued that a meteorite found in 2012 after falling to Earth in Sri Lanka was proof of the existence of aliens. Professor Chandra Wickramasinghe examined the 5-centimeter fragment after it fell near the city of Polonnaruwa and found extraterrestrial algae in it.
The 74-year-old astrobiologist from Cardiff University said that this is clear evidence that life began outside the Earth, and all earthlings are aliens with a cosmic ancestry.
Photo: Scientists have discovered that the space rock contains fossilized algae that prove the existence of alien life
Lubbock lights
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On the evening of August 25, 1951, three professors from Texas Tech University noticed a semicircle of bright lights in the sky over Lubbock, USA.
Research allegedly revealed that they were birds reflecting light from Lubbock's new streetlights. But many eyewitnesses to the spectacle did not believe this, as the objects were moving too fast.
In the photo: Photo of mysterious lights was published in the news
The strange find of the Betz family
The Betz couple were counting the damage to their land caused by a mysterious fire on Fort George Island, Florida, in 1974, when they found a strange object - a metal sphere about 20 cm in diameter lying on the ground. It was completely smooth and had an elongated triangular symbol.
The family then began to notice strange events, including rumbling, pulsating, or buzzing noises coming from the object.
The US military withdrew the find for testing, and X-rays showed it to be nothing more than a solid metal ball. The family was never returned the find.
Pictured: The Betz couple said they found this metal ball in their backyard in 1974
"Gear" from UFO
A resident of Vladivostok, Russia, was lighting a fire when he found a mysterious metal object in one of the pieces of coal. The item he found consisted of 98% aluminum and 2% magnesium. Outwardly, he resembled a gear.
Coal is reported to be about 300 million years old, whereas this type of technique was not invented by humans until the 19th century. The object found sparked mixed opinions, with some claiming the element was part of an alien spacecraft, but skeptics called it laughable.
Pictured: This piece of metal was allegedly found inside a piece of coal that is 300 million years old.
Ancient aircraft
These aircraft-shaped artifacts from South Africa are believed to belong to the ancient peoples of Quimbay. The similarities between these models and modern aircraft are striking - with wings and stabilizing tails.
UFO hunters have called the models proof of alien contact with ancient humans. Skeptics argue that these are just models of birds or insects.
In the photo: artifacts from South Africa look like modern aircraft
Belgian Wave
In 1989 and 1990, Belgian citizens reported seeing a large triangular UFO in the sky. According to the data, approximately 13,500 people across the country have witnessed this phenomenon.
Fighters from the Belgian Air Force were sent to investigate the mysterious reports. The pilots found objects on their radars despite not being able to see them with the naked eye.
However, when they attempted to intercept them, the UFOs rushed so fast that they were able to outrun the F-16s and disappear.
In the photo: a triangular object was seen in the skies over Belgium in 1989 and 1990
Nazca mummies
In July 2017, several mummies were unveiled by Mexican ufologist and journalist Jaime Maussan during a press conference called Nazca Mummies in Peru.
X-rays of the mummified remains were also shown, so Maussan could avoid accusations that it was a fake. 3 out of 5 bodies had features that place them closer to reptiles than humans. They also had three long fingers.
Maussan claimed that the samples presented date from 245 to 410 BC.
Pictured: mummies found in Nazca, Peru, bear resemblance to reptiles, as well as three long fingers