Humans have made contact with Aliens Galactic Federation, says former Israeli space security chief.

An Israeli space official has claimed that aliens are real and are secretly in contact with America and Israel - but are keeping their existence quiet because humanity 'isn't ready'.

Speaking in an interview to Yediot Aharonot, Eshed – who served as the head of Israel's space security program for nearly 30 years and is a three-time recipient of the Israel Security Award – explained that Israel and the US have both been dealing with aliens for years.

And this by no means refers to immigrants, with Eshed clarifying the existence of a "Galactic Federation."

The 87-year-old former space security chief gave further descriptions about exactly what sort of agreements have been made between the aliens and the US, which ostensibly have been made because they wish to research and understand "the fabric of the universe." This cooperation includes a secret underground base on Mars, where there are American and alien representatives.

If true, this would coincide with US President Donald Trump's creation of the Space Force as the fifth branch of the US armed forces, though it is unclear how long this sort of relationship, if any, has been going on between the US and its reported extraterrestrial allies.

But Eshed insists that Trump is aware of them, and that he was "on the verge" of disclosing their existence. However, the Galactic Federation reportedly stopped him from doing so, saying they wished to prevent mass hysteria since they felt humanity needed to "evolve and reach a stage where we will... understand what space and spaceships are," Yediot Aharonot reported.

Israeli space official Haim Eshed, pictured on the cover of a new book called The Universe Beyond the Horizon, claims that the US and Israel have had contact with aliens

As for why he's chosen to reveal this information now, Eshed explained that the timing was simply due to how much the academic landscape has changed, and how respected he is in academia.

"If I had come up with what I’m saying today five years ago, I would have been hospitalized," he explained to Yediot.

He added that "today, they’re already talking differently. I have nothing to lose. I’ve received my degrees and awards; I am respected in universities abroad, where the trend is also changing."

The professor has even put his thoughts into a book in which he describes how aliens have prevented nuclear disasters on Earth, according to the Jerusalem Post.