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3 sources checked · 2 source groups included · 1h ago

Still Watching

NASA’s Perseverance rover breaks record for off-planet driving on Mars

The New York Times and The Straits Times describe the same event in different terms.

1 Left2 Center0 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of October 13, 2026 at 4:45 AM, this is how Optics News reads the wording differences in this story.

What happened The rover has racked up 45.2km since arriving on Mars in 2021.
The headline split The left frames it as "NASA’s Perseverance Rover Sets a Mars Driving Record". The center frames it as "NASA's Perseverance rover breaks record for off-planet driving on Mars".
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 confidenceMild

31/99 — small wording differences, not a major framing split.

WHAT EACH SIDE EMPHASIZED

Left / center-leftNASA’s Perseverance Rover Sets a Mars Driving Record

The New York Times · Center-left · News report

CenterNASA’s Perseverance rover breaks record for off-planet driving on Mars

The Straits Times · Center · News report

Right / center-rightNo matching source in this bucket yet.

Optics keeps watching for pickup.

SEE THE HEADLINES

CenterMostly Factual
The Straits TimesNews report · Oct 13, 4:45 AM

NASA’s Perseverance rover breaks record for off-planet driving on Mars

The rover has racked up 45.2km since arriving on Mars in 2021.

Open source
CenterMostly Factual
CNA SingaporeNews report · Oct 13, 4:37 AM

NASA's Perseverance rover breaks record for off-planet driving on Mars

Open source
Center-leftHigh
The New York TimesNews report · Oct 13, 1:20 AM

NASA’s Perseverance Rover Sets a Mars Driving Record

Advances in self-driving technology have made it easier to traverse distant worlds.

Open source
Details31/99 Wording Gap · Medium confidence · 3 sources
31/99 Wording GapMedium confidence3 sources · 2 bias bucketsLive match · 3 sources · 2 buckets · comparable news formatFormats: News report

SOURCE MAP CHANGES

Oct 13, 1:20 AM: The New York Times joined the source map.

Oct 13, 4:37 AM: CNA Singapore joined the source map.

Oct 13, 4:45 AM: The Straits Times joined the source map.

Now: Wording Gap is 31/99 and story health is live match · 3 sources · 2 buckets · comparable news format.