This Galaxy Was Mistaken for a Star Cluster – Then Hubble Revealed Its Tentacles

Once mistaken for a fuzzy star cluster, the stunning Squid Galaxy—formally known as Messier 77—has transformed in the eyes of astronomers over the centuries. Originally discovered in the 1700s by comet hunters, this bright spiral galaxy eluded proper classification until scientists realized it was far beyond the Milky Way. Now, thanks to the Hubble Space […] Read More