Rubin Observatory Reveals First Dwarf Planet Candidate Beyond Pluto
The observatory has identified a distant icy body, provisionally named 2026 ED138, which may become the solar system's sixth dwarf planet.
Headline and summary written by an AI model from the linked articles; not reviewed by a person. How this was made
First reported by Scientific American, 1h 30m ahead of the next publisher · who breaks stories first
The story so far
3 publishers have covered this in 3 articles since 27 Oct 2026. Scientific American published first, on 27 October at 21:00 UTC; Spotlight news only followed 1h 30m later. The most recent article, from The New York Times, appeared on 27 October at 23:35 UTC.
Outlets reporting it: The New York Times (major outlet), Scientific American, Spotlight news only.
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How it unfolded
Every source in the order it published.
Sources
Every article we clustered into this story. Headlines link to the publisher.
In this story
- Vera C. Rubin Observatory
- Simonyi Survey Telescope