Science 2 hours, 19 minutes It has recently come to light that researchers have discovered a spiral galaxy in the Universe that was formed 1.4 billion years after the Big Bang. In fact, the recently discovered spiral galaxy is the most ancient galaxy ever observed. As reported by ALMA Observatory, researchers analyzed the data collected using the Atacama Large Millimeter/submillimeter Array (ALMA). The research paper around the discovery has been published in the journal Science. Takafumi Tsukui, a graduate student at SOKENDAI and the lead author of the research paper along with his supervisor Satoru Iguchi, a professor at SOKENDAI and the National Astronomical Observatory of Japan, noticed a galaxy called BRI 1335-0417 in the ALMA Science Archive.