Fri Sep 12 12:30:00 UTC 2025: **FOR IMMEDIATE RELEASE**

## Gravitational Wave Astronomy Celebrates a Decade of Discovery, Faces Uncertain Future

**HANFORD, WA / LIVINGSTON, LA -** Ten years ago, on September 14, 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO) made history by detecting gravitational waves for the first time, ripples in spacetime predicted by Albert Einstein a century earlier. This groundbreaking discovery ushered in a new era of astrophysics, providing insights into the most extreme phenomena in the universe, such as black hole collisions.

Since that initial detection, LIGO and its international partners, VIRGO in Italy and KAGRA in Japan, have recorded over 300 similar events, transforming our understanding of black holes and their role in cosmic evolution. The collaborative efforts of the LIGO/VIRGO/KAGRA (LVK) collaboration, comprised of over 1,600 scientists worldwide, have solidified the existence of black holes and opened new avenues for exploring the universe.

This year’s anniversary celebrations, including events at LIGO observatories and a symposium at Caltech, are tinged with sadness following the recent death of Rainer Weiss, one of LIGO’s founders and a 2017 Nobel laureate. Weiss’s ingenuity and dedication were instrumental in making LIGO a reality.

Adding to the uncertainty, proposed budget cuts by the Trump administration threaten the future of LIGO. A proposed 40% reduction in operating funds for 2026 could cripple the observatory’s operations and future upgrades, potentially jeopardizing its ability to detect gravitational waves. Without two antennas, the ability to triangulate the origins of the gravitational waves is impossible.

Despite these challenges, the LVK collaboration continues to push the boundaries of knowledge. Recently, LIGO confirmed Stephen Hawking’s groundbreaking conjecture that the area of a black hole’s event horizon can only increase, a fundamental principle with profound implications for theoretical physics.

While the field has yet to repeat the success of multi-messenger astronomy seen in 2017 with the detection of a kilonova, the collision of neutron stars, the potential for new discoveries remains high. Scientists remain hopeful that future gravitational wave detections will unlock further secrets of the universe.

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