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Disappearance of Andromeda Star Sparks Stellar Mystery Debate

1/24/2026

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Summary

Story summary

The yellow supergiant M31-2014-DS1 in Andromeda vanished between 2014 and 2018.
One team proposed a failed supernova, collapsing into a black hole without an explosion.
They found a faint red source at the location, surrounded by dust.
A second team challenges this, citing no X-ray emissions and stable brightness.
The second team proposes a stellar merger and calls for continued monitoring.

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Story summary

The yellow supergiant M31-2014-DS1 in Andromeda vanished between 2014 and 2018.
One team proposed a failed supernova, collapsing into a black hole without an explosion.
They found a faint red source at the location, surrounded by dust.
A second team challenges this, citing no X-ray emissions and stable brightness.
The second team proposes a stellar merger and calls for continued monitoring.