Black Hole

HQ Web Team Sep 11, 2026 Two galaxies merge at a furious rate in this Aug. 25, 2026, image of the II Zw 096 system. This and several other images of both visually and scientifically interesting galaxies were released by NASA’s Chandra X-ray Observatory and other telescopes. Chandra X-ray data…

When two black holes find each other in the vastness of space, they can form a binary odd couple—and it’s more common than researchers expected. Scientists think most black holes are born when a star dies and its core collapses. This is also the case for binary black holes, pairs…

Max Planck Society The eRosita X-ray telescope has discovered eight galaxies whose central black holes are significantly more massive than those in other galaxies This is how researchers envision the center of an active galaxy, where matter swirls around a supermassive black hole before falling into its center of mass.…

When two black holes merge, the resulting object rings like a struck bell, radiating gravitational waves that fade in a distinctive pattern called ringdown. According to general relativity, this pattern should depend only on the merged black hole’s mass and spin. But if a black hole carries extra structure —…

For nearly sixty years, Einstein’s general relativity has offered a starkly simple picture of black holes: they are defined only by their mass and spin. Nothing else matters. Physicists call this the “no-hair theorem,” a poetic way of saying that black holes have no distinguishing features beyond those two numbers.…

When two black holes crash together and merge, the newly formed black hole rings like a bell, sending out gravitational waves with specific frequencies that fade over time. This brief, fading pattern of waves is called ringdown, and it may hold secrets about what is hiding around black holes. Under…

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There are a lot of weird stars in the universe, but if I had to pick the very weirdest, it would be S301. The name is prosaic, but it hides profundity. Ironically the star itself isn’t really peculiar at all. It’s much like the sun, though somewhat more massive, hotter…

NASA’s Nancy Grace Roman Space Telescope will create enormous cosmic panoramas, which astronomers will use to explore everything from dark energy and dark matter to distant planets and black holes. The first observations will start in early 2027. It is launched and is moving to position. Roman will collect light…

“Black hole stars,” making cookies from plastic, tiny sound-powered drones, and more. Astronomers have discovered a “black hole star,” an extremely bright red spot in the early universe. Credit: ose-Luis Olivares, MIT It’s a regrettable reality that there is never enough time to cover all the interesting scientific stories we…