Supernova 2014J in M82, the Cigar Galaxy, appears to have peaked in late Jan.-early Feb. at around magnitude 10.5. It's now slowly beginning to fade. This photo taken Jan. 31 near peak. Credit: Joseph ...

In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...

DS1, collapsed into a black hole without exploding, revealing how stars die in silent “failed supernova” events.

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Astronomers report a supergiant star in the Andromeda Galaxy, M31-2014-DS1, collapsed directly into a black hole without a supernova, confirming predictions of failed stellar explosions.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 2 years old. Supernova SN 2023ixf ...