Alien-hunting scientists say deep-space civilizations may be too advanced for us to spot after making ‘energy’ discovery

Intelligent alien societies may be scattered across the galaxy and beyond – but scientists say they are ‘too advanced’ to spot.

Researchers used an unconventional method to find signs of extraterrestrial life – looking for the reflection of sunlight off solar panels after observing a similar phenomenon on Earth.

GettyIn a paper published in May, scientists looked for signs of solar panels on Earth-like exoplanets, believing they would reflect ultraviolet light to become visible[/caption]...