Black Hole

The Late Show With Stephen Colbert is officially a late show, as in it’s no longer with us. Its last Questionert has been answered; its final rescue dog has been rescued; its ultimate guest, Sir Paul McCartney, has left the building. Colbert filled his 80-minute finale with the same thoughtfulness,…

This latest Picture of the Month from the NASA/ESA/CSA James Webb Space Telescope features Messier 77 (M77), a barred spiral galaxy famous and appreciated among astronomers for its combination of relative proximity and spectacular features to study. It is located 45 million light-years away in the constellation Cetus (The Whale).…

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Researchers have developed a new method to identify whether black hole mergers occurred inside dense clouds of dark matter, potentially opening a fresh avenue for studying one of astronomy’s biggest mysteries. Gravitational waves observed by Laser Interferometer Gravitational-Wave Observatory (LIGO) twin detectors were produced during the final fraction of a…

Dark matter is thought to make up most of the matter in the universe, but the only way it interacts with its surroundings is through gravity. If two colliding black holes spiral through a dense region of dark matter and merge, gravitational waves rippling across space and time could carry…

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Scientists have discovered a way to “hear” cosmic events like the collision of black holes using a process similar to the pitch-correction used in music production. Experts from the international Ligo, Virgo and Kagra (LVK) gravitational wave observatory collaboration used the technique to use gravitational-wave signals to measure the response…

A unique, X-ray-spewing black hole may help to confirm the enigmatic identity of "little red dots ," a curious class of objects that are observed mostly in the very early universe, approximately 12 billion light-years away. Astronomers have sought to classify little red dots (LRDs) since the James Webb Space…

An illustration shows a black hole colliding with a Wolf Rayet star triggering a bright blue blast. (Image credit: Robert Lea (created with Canva)) Out in the universe, there exist mysterious and powerful bright blue cosmic explosions called Luminous Fast Blue Optical Transients (LFBOT) — and new research may finally…