Alien CONTACT? How scientist detected ‘extraterrestrial signal’ from distant constellation

However, he, alongside all his colleagues, could not give a reasonable explanation for it in 1979 and that is still the case today.

Dr Ehman was so shocked, he circled the reading on the computer printout and wrote the comment: “Wow!”

To this day, it has been known as the strongest candidate for an alien radio transmission to Earth.

Speaking about the signal in 2014, Professor Brian Cox claimed: “If an alien civilisation wanted to communicate with us, this is exactly how they would do it.” 

A number of theories attempting to explain the Wow! signal have emerged over the years but none of them have achieved widespread acceptance.