Gravitational Waves
Physicists have found a potential signature of dark matter in data from a black hole merger observed in 2019. The signal known as GW190728 showed patterns consistent with the invisible substance interacting with the colliding objects. A new model developed by researchers at MIT and partner institutions made the analysis possible.
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New analysis of gravitational wave data indicates that the universe's heaviest black holes arise from multiple collisions inside dense star clusters instead of single stellar collapses.
Astronomers announced on September 17, 2025, the detection of a black hole merger that provides strong evidence for Stephen Hawking's area theorem. Observed via gravitational waves, the event aligns with predictions that black hole surface areas cannot decrease. This bolsters fundamental physics theories amid ongoing cosmic explorations.
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Astronomers detected the strongest black hole collision yet on September 11, 2025, resonating with Einstein's predictions. The event involved massive black holes merging, producing significant gravitational waves. This finding was published in a leading science journal, advancing astrophysics.