Claim: A new gravitational wave catalog has added 161 new black hole collision detections, pushing the total number of confirmed events to 390.

First requested: July 22, 2026 at 3:05 PM
80%

IsItCap Score

Truth Potential Meter

Very Credible

AI consensusWeak

Grader consensus is weak.
Range 70%–100% (spread Δ30).
The graders diverge. Treat the combined score as uncertain and read the sources carefully.
Read analysis summary

OpenAI Grade

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80%
70%

Perplexity Grade

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94%

Google Gemini Grade

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Shareable summary
Verdict: Questionable
  • One source discusses GWTC-4, not GWTC-5.0, so catalog versions can be confused.
  • Some figures in related coverage refer to candidates, not confirmed events.
/r/new-gravitational-wave-catalog-black-hole-detections

Analysis Summary

The claim is mostly true as multiple reputable sources report that a new gravitational wave catalog has indeed added 161 new black hole collision detections, raising the total to 390. This information is supported by outlets like ScienceDaily and the Simons Foundation, which detail the findings from the latest catalog release. However, some sources dispute the exact number of new detections, suggesting discrepancies in catalog versions and definitions, which introduces some uncertainty regarding the total count of confirmed events. Overall, the consensus leans towards the claim being accurate but with caveats regarding the catalog's specifics. The models diverge sharply — treat this as higher-uncertainty. Gemini comes in highest (100%), while OpenAI is lowest (70%). While the majority of sources support the claim about the new gravitational wave catalog, some conflicting reports suggest that the number of new detections may not be as high as stated. For instance, MIT News indicates that a different catalog version reported only 128 new candidates, which raises questions about the total confirmed events. This discrepancy does not entirely negate the claim but highlights the need for clarity on catalog definitions and updates. Therefore, while the claim is generally supported, the exact figures may vary based on the source and catalog version referenced.

Source quality

Truth (from sources)7.00 / 10
Source reliability8.00 / 10
Source independence7.00 / 10

Claim checks

Fits established facts6.00 / 10
Logical consistency7.00 / 10
Expert consensus6.00 / 10

Source Analysis

Common arguments
Supporting the claim
  • LIGO says GWTC-5.0 includes 267 compact binary mergers in the latest catalog.
  • Multiple reports state the catalog adds 161 new black hole mergers.
  • Several sources say the cumulative total reaches 390 confirmed detections.
Against the claim
  • One source discusses GWTC-4, not GWTC-5.0, so catalog versions can be confused.
  • Some figures in related coverage refer to candidates, not confirmed events.
  • The total depends on whether the catalog is cumulative or a single observing run.

Mainstream Sources

Publication

ScienceDaily

Title

390 gravitational wave detections reveal hidden population of black holes

Summary

Reports that the latest catalog adds 161 new black hole collisions and brings the total confirmed detections to 390.

Source details

Type: Aggregator

Publication

simonsfoundation.org

Title

Black Hole Discoveries Abound in Newly Released LIGO-Virgo Catalog

Summary

Says the new catalog contains 161 newly observed black hole mergers from April 2024 to January 2025.

Source details

Type: Primary

Publication

space.com

Title

Astronomers discover a 'lost world' of black hole mergers

Summary

States that GWTC-5 adds 161 new black hole signals and raises the total number detected to 390.

Source details

Type: Major Media

Alternative Sources

Publication

MIT News

Title

New catalog more than doubles the number of gravitational-wave detections made by LIGO-Virgo-KAGRA

Summary

Says GWTC-4 includes 128 new candidates, not 161, and refers to a different catalog release.

Source details

Type: Major Media

Publication

virgo-gw.eu

Title

Catalog of Gravitational Wave Events – Virgo

Summary

Describes GWTC as cumulative and notes GWTC-3 contained 90 sources, showing the total depends on catalog version.

Source details

Type: Primary

Analysis Breakdown

True/False Spectrum (7.0)Source Credibility (8.0)Bias Assessment (7.0)Contextual Integrity (6.0)Content Coherence (7.0)Expert Consensus (6.0)68%

How to read the breakdown

Weakest areas
Context6.0/10Consensus6.0/10
  • Truth: how well sources support the core claim.
  • Source reliability: whether the sources have a strong track record.
  • Independence: whether coverage looks one-sided or recycled.
  • Context: missing details (timeframe, definitions, scope) that change meaning.
  • Tip: if graders disagree, rely more on the summary + sources than the single number.

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Methodology