When the science of ufology appeared, the phenomenon of UFO was associated with green aliens from the deep black space, studying planet Earth with scientific or military purposes. At the end of the 20th century, ufologists started talking about the intention of extraterrestrial beings to obtain the human genetic material.

On October 16th 1957 a 23-year-old Brazilian farmer Antonio Vilas Boas was working on his field, when the engine of his tractor suddenly stopped. In just several minutes the farmer saw a ‘flying disk’ above his head.

The spacecraft landed on the field, and Antonio saw three humanoids stepping out. The aliens were approaching the young man. Antonio panicked, he had no idea about the aliens’ intention. So made up his mind to fight.

The aliens were stronger in number, they dragged the terrified man into their spaceship. They took the farmer’s clothes off, tied him up to a metal table and conducted a meticulous medical examination.

They apparently found their captive healthy, injected him an unknown substance and left the room. In quite a long time, Antonio recollects, the door opened and he saw a beautiful naked blond.

The girl turned the young man on – the farmer was making love to the extraterrestrial female for several hours without saying a word. In one of his interviews to reporters Antonio said: “When she was walking away, she turn around, pointed at her stomach, smiled and pointed up to the sky.”

After such a remarkable encounter, Antonio started craving for knowledge. A year later he entered the department of law of the local university, successfully graduated from it and became a brilliant lawyer.

It became known in the 1950s, aliens often visited Earth with matrimonial purposes. Well-known American contactee Howard Menger was one of the few humans, who had a chance to meet an alien female. The ‘woman’s’ name was Marla.

She said she was born 500 years ago in the Constellation of Leo. Menger fell deeply in love with the woman from space. He divorced his wife and married Marla. The latter obtained the American citizenship and preferred the comfort of Menger’s house to intergalactic flights.

Elizabeth Klarer was one of the first women, who allegedly had a love affair with an extraterrestrial man. In 1956 she fell in love with a ‘man’ named Akon. The alien took her to his home planet Metok. He seduced the woman there and Elizabeth delivered a boy.

After that, the alien did not need the woman anymore and he sent her back to Earth. Elizabeth Klarer died in solitude in 1994 in South Africa. She strongly believed her son Ayling remained somewhere in Alpha Centauri.

There are a lot of other examples of intimate relations between terrestrial and extraterrestrial beings. Several years ago the Harward medical school proposed professor John Mack to explore the phenomenon of sexual contacts with aliens.

The experienced psychologist was initially rather sceptic about his research, although he came to unbelievable conclusions. The professor studied and analyzed a lot of stories about abductions. He concluded aliens conduct genetic experiments on people.

Aliens examine human beings in special labs, take samples of semen from men and samples of ovules from women. Sometimes they put a fertilized ovule in the uterus, and the woman bears the child during the first weeks of its development. Then they take the embryo out and continue maintaining its life.

Professor Mack said, aliens showed hybrid babies to their mothers at times. One woman was abducted repeatedly two years after the first abduction. Humanoids showed the abductee her son playing in a special room.

The boy did not look like a normal child, but the woman could not help taking care of him. Aliens welcomed the maternal instinct and let the woman stay with her baby for several months.

Modern science does not have any convincing evidence to prove sexual contacts with aliens. Nevertheless, such contacts have been happening for several ages already.

Descriptions of them can be found in numerous tales, where people are abducted by fairies, dwarfs, sea monsters, in legends about demonic creatures succubus and incubus and so on and so forth. Nowadays some women say they had been subjected to sexual violence by extraterrestrial beings.

A 19-year-old Californian girl gave birth to a blue-skinned and web-footed baby. The girl said she had been gang-raped by web-footed aliens. She claimed nobody believed her story and she had to keep the extraterrestrial child to prove her rightfulness.