This Google Maps image captured in 2021 revealed a mysterious, triangular dark patch in the middle of the Pacific Ocean, ...

Sagittarius A*, our galaxy's supermassive black hole, is constantly producing strange eruptions. Astronomers are using the ...

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The way this "accretion disk" of infalling matter spins can tell scientists a lot about a particular black hole — for example, its size and its orientation in space. It also offers insight into ...