SETI chief says US has no evidence for alien technology. 'And we never have' For the chief leader of the SETI Institute, established to search for and understand life beyond Earth, there's a need to step back and cuddle up to a cup of cosmic reality. https://cdn.mos.cms.futurecdn.net/LFDgGB9wQpEsJvgtxLX54F.jpg https://www.space.com/seti-chief-bill-diamond-ufos-alien-visitation