LIGO, Virgo and KAGRA complete the richest observation run to date

Today the international LIGO-Virgo-KAGRA Collaboration announces the completion of the fourth observation campaign (called O4) of the international network of gravitational wave detectors. Launched in May 2023, the campaign ends today after a period of coordinated...

LIGO, Virgo and KAGRA observed “second generation” black holes for the first time

A pair of very special black hole mergers, detected just one month apart in late 2024, is improving how scientists understand the nature and evolution of the most violent deep-space collisions in our universe. Some features of these mergers point toward the...

Previous EGO-Virgo News

LIGO-Virgo O3 suspended

LIGO-Virgo O3 suspended

The LIGO Scientific Collaboration and the Virgo Collaboration (the LVC) have agreed to suspend their third observation period, named O3, which has been running since the 1st of April, 2019. The...

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GW190425

GW190425

the merger of a compact binary with total mass of about 3.4 Msun

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O3 restarts

O3 restarts

O3 will now run with no further interruptions until the 30th of April, 2020

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O3 – The story so far

O3 – The story so far

Advanced Virgo and the two Advanced LIGO detectors: the most sensitive global gravitational-wave observatories to date.

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