India, Jan. 26 -- Astronomers are puzzled by a cosmic puzzle that takes place in the Andromeda Galaxy because a gigantic yellow supergiant star has suddenly disappeared without any warning. The star named M31-2014-DS1 showed itself to observers in 2014 but went missing by 2018 without producing the spectacular supernova event which scientists expect from that type of star.

One team of researchers, using observations from the James Webb Space Telescope (JWST) and Chandra X-ray Observatory, believes the star may have collapsed directly into a black hole. A failed supernova shows itself as a rare occurrence, which happens when a star exhausts its fuel supply but does not undergo an explosive event. The star's core begins to collapse inward ...