CenterHigh
WBIR10 (Tegna, Knoxville)News report · Oct 29, 4:46 AM
Scientists discover possible new dwarf planet beyond Pluto
A new dwarf planet candidate farther out than Pluto was discovered by researchers at the Rubin Observatory.
← Today's headlines
3 sources checked · 2 source groups included · 3h ago
Still Watching
Scientists discover possible new dwarf planet beyond Pluto
All headlines are identical, straightforwardly reporting the discovery of a possible new dwarf planet beyond Pluto.
2 Left1 Center0 Right
STILL WATCHING
As of October 29, 2026 at 9:00 AM, this is how Optics News reads the wording differences in this story.
What happened A new dwarf planet candidate farther out than Pluto was discovered by researchers at the Rubin Observatory.
The headline split The headlines are mostly aligned. The differences are small wording choices, not a major framing split.
Match confidence Medium confidence. 3 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium
3 sources across 2 bias buckets agree on the event.
Framing confidenceMostly same
0/99 — the outlets mostly agree on the headline takeaway.
WHAT EACH SIDE EMPHASIZED
Left / center-leftAstronomers Discover a Possible New Dwarf Planet in Our Solar System
Wired · Center-left · News report
CenterScientists discover possible new dwarf planet beyond Pluto
WBIR10 (Tegna, Knoxville) · Center · News report
Right / center-rightNo matching source in this bucket yet.
Optics keeps watching for pickup.
SEE THE HEADLINES
Open source
Center-leftHigh
WiredNews report · Oct 29, 9:00 AM
Astronomers Discover a Possible New Dwarf Planet in Our Solar System
Lying beyond Pluto, 2026 ED138 could be as large as 1,500 kilometers in diameter. Astronomers are still working to confirm whether it meets the criteria for a dwarf planet.
Center-leftMostly Factual
MashableNews report · Oct 29, 9:00 AM
Scientists think theyve just discovered a new dwarf planet like Pluto
The Vera C. Rubin Observatory discovered 2026 ED138, a dwarf planet candidate beyond Pluto. Scientists explain how it hid from them.
Details0/99 Wording Gap · Medium confidence · 3 sources
0/99 Wording GapMedium confidence3 sources · 2 bias bucketsLive match · 11 sources · 2 buckets · comparable news formatFormats: News report
SOURCE MAP CHANGES
Oct 29, 4:46 AM: WBIR10 (Tegna, Knoxville) joined the source map.
Oct 29, 9:00 AM: Wired joined the source map.
Oct 29, 9:00 AM: Mashable joined the source map.
Now: Wording Gap is 0/99 and story health is live match · 11 sources · 2 buckets · comparable news format.