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Gravitational-wave detector LIGO is back — and can now spot more colliding black holes than ever

The twin gravitational-wave detectors have started a new observation run after a major upgrade.
  1. Davide Castelvecchi
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The collision of two black holes holes is seen in this still from a computer simulation.

LIGO can detect gravitational waves that are generated when two black holes collide. Credit: The SXS Project

After a three-year hiatus made longer by pandemic troubles, the search for gravitational waves — ripples in space-time that are the hallmarks of colliding black holes and other cosmic cataclysms — has resumed.

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Nature 618, 13-14 (2023)

doi: https://doi.org/10.1038/d41586-023-01732-4

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