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Khabre desk
Recent reporting, analysis and explainers from the black holes desk.
science
Astronomers found 84 unusually low-energy X-ray sources in six galaxies by searching publicly available Chandra data. Their physical nature remains unknown, but they may involve accreting black holes, neutron stars or white dwarfs.
science
A 2026 arXiv preprint proposes that the unusually energetic long gamma-ray burst GRB 220101A involved two supernova-related events separated by 3.5 seconds.
science
ESA says Euclid has identified 31 quasars from the early Universe, including two at redshifts 7.77 and 7.69—the most ancient quasars yet observed.
science
ESA reports that Euclid has identified 31 quasars from the early Universe, including two with redshifts of 7.77 and 7.69 that were observed when the Universe was about 670 million years old.