The Laser Interferometer Gravitational-Wave Observatory (LIGO) in January 2017 detected another merger of two black holes forming gravitational waves. The findings were published in the Physical Review Letters on 1 June 2017.Named as GW170104, this is the third confirmed detection of gravitational waves coming from a binary black hole merger.The Laser Interferometer Gravitational-Wave Observatory (LIGO) detectors in the U.S. have detected yet another merger of two black holes on January 4, 2017. Named GW170104, this signal marks the third confirmed detection of gravitational waves coming from a binary black hole merger. It is of great interest to the scientific community that the black holes, having masses nearly 31 times and 19 times the sun’s. Until the first detection of gravitational waves by LIGO in 2015 (GW150914) it was not known that such massive black holes could exist.US-based LIGO has discovered a new population of black holes with masses that are larger than what had been seen before with X-ray studies.The three confirmed detections by LIGO (GW150914, GW151226, GW170104) and one lower-confidence detection (LVT151012) point to a population of stellar-mass binary black holes that are larger than 20 solar masses.The gravitational wave detection was for the first time, a chance event; second time a coincidence and third time a pattern.. According to this theory, gravitational waves, unlike light waves, will not disperse as they travel through space. This too has been confirmed by the analysis of the presently detected signal.