Is it possible that we are overlooking extraterrestrial signals in our search of the skies for intelligent alien life? If alien life does exist in our galaxy and beyond, is it possible that its signals could be similar to what we detect and label as pulsars? We see pulsars as a natural phenomenon, but what if that’s not the case?
On Aug. 15, 1977, a 72-second radio signal from space stirred up the Search for Extra-Terrestrial Intelligence (SETI). It is exactly the kind of signal we would expect from aliens.
Astronomers have for the first time discovered a rocky, Earth-sized exoplanet that might hold liquid water—a necessary ingredient for life as we know it.