New radio observations of a distant Sun-like star thought to be a likely source of the famous WOW! signal [1] reveal no evidence that the system harbors anything (or anyone) capable of sending such a signal. Nonetheless, astronomers say the “null result” is an important step in verifying a new, more targeted approach to searching nearby stars for traces of the mysterious WOW! signal [2].
The GBT has been a crucial part of SETI’s Breakthrough Listen [3] research for many years.