{
  "id": 1480848,
  "title": "Dark matter may be gravitationally lensing a likely source of cosmic neutrinos",
  "url": "https://urgent.news/2026/08/17/dark-matter-may-be-gravitationally-lensing-a-likely-source-of-cosmic",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-17T12:40:08.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-08-dark-gravitationally-lensing-source-cosmic.html"
  },
  "original_language": "en",
  "account": "Researchers led by Silke Britzen from the Max Planck Institute for Radio Astronomy have discovered a potential gravitational lensing effect caused by dark matter on a blazar jet. This phenomenon could help scientists better understand the origins of cosmic neutrinos, which are often generated alongside electromagnetic waves in blazar jets. The team used data from various telescopes, including the IceCube Neutrino Observatory, to analyze the blazar PKS 2233-148, which emits a jet of ionized matter from its poles. They found that the jet had been unexpectedly displaced from its expected path, and there was a rapid gamma-ray flash accompanying the regular flaring. The researchers believe this could be a signature of dark matter lensing, making PKS 2233-148 the fourth likely source of cosmic neutrinos to be gravitationally lensed. If further lensing events are identified and linked to IceCube neutrino observations, it could provide valuable insights into the events that trigger neutrino production.",
  "summary": "Astronomers have discovered that the jet of a distant blazar has been gravitationally lensed by an unseen source of dark matter. Led by Silke Britzen at the Max Planck Institute for Radio Astronomy in Germany, the team's results could prove especially important for observations of cosmic neutrinos, which are likely produced in abundance alongside a broad spectrum of electromagnetic waves in…",
  "key_points": [
    "Dark matter may be gravitationally lensing blazar PKS 2233-148's jet.",
    "Lensing effect could help understand cosmic neutrino origins.",
    "PKS 2233-148 is fourth likely neutrino source to experience lensing."
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}