37 years ago today, the Big Ear telescope in Ohio picked up the first and only strong signal from outer space that could be from extra-terrestrials.  

Rather embarrassingly for humanity, we behaved like school kids who just received a text from someone they fancied. We spent ages debating whether or not the message was for us; and then we got our mates to help us write a reply which is looking pretty cringey in hindsight. Continue reading →