On this day in space! Aug. 15, 1977: Mysterious 'Wow!' Signal boosts search for E.T.

15, 1977, astronomers using Ohio State University's Big Ear radio telescope detected the famous "Wow! " signal, which remains unexplained to this day.

Summarised by Agaah from Space.com. Agaah aggregates 36 sources and removes duplicate coverage — all news, one place.