The four VERITAS telescopes in Arizona will soon be used to hunt for alien communications. (Credit: The VERITAS collaboration)

Traditionally, the hunt for intelligent life in the universe has focused on radio signals from far off worlds. But scientists are turning to more varied types of signals, acknowledging that we have very little idea how a truly alien life-form might choose to communicate, either with themselves or us.

With that in mind, Breakthrough Listen, a program searching for