Black hole physics reveals that cosmic systems can expel significant amounts of matter instead of endlessly consuming it, according to a paper published in Monthly Notices of the Royal Astronomical Society. Researchers studying high-resolution optical records from a 2023 eruption found that a black hole system named Swift J1727.8−1613 redistributed at least 10% of its … Read more
The high-speed astronomical camera project HiPERCAM has lost its operations grant, forcing a UK-led team to halt routine usage of the instrument, according to University of Sheffield Professor of Astrophysics Vikram Dhillon. Dhillon announced the funding cut on July 21 at the UK’s National Astronomy Meeting (NAM2026), stating that the annual shortfall of roughly £50,000 … Read more
When two black holes collide, they do not simply vanish into silence; they ring like a struck bell, shedding energy through gravitational waves in a process known as “ringdown.” According to a review, scientists are now using these fading vibrations to perform “black hole spectroscopy,” turning the aftermath of cosmic mergers into a precision laboratory … Read more
Approximately 14% of binary black hole mergers detected by the LIGO, Virgo, and KAGRA observatories likely involve “second-generation” black holes—objects formed by previous mergers rather than the collapse of a single star. This hierarchical formation, detailed in Physical Review Letters, suggests that dense cosmic environments frequently facilitate repeated black hole collisions, challenging traditional stellar evolution … Read more
Theoretical physicists have developed a new model demonstrating that collapsing stars could potentially form “gravastars” instead of black holes, offering a solution to the mathematical paradoxes of singularities. According to research published in Physical Review D by Daniel Jampolski and Luciano Rezzolla of Goethe University Frankfurt, a star’s collapse can be halted by an expanding … Read more
New data from the James Webb Space Telescope (JWST) and the Atacama Large Millimeter Array (ALMA) reveals that early massive galaxies “died” by rapidly ejecting their gas through powerful winds triggered by intense star formation. Research published in the Monthly Notices of the Royal Astronomical Society indicates that these galaxy-scale winds can exhaust a galaxy’s … Read more
For decades, astronomers operated under a comfortable assumption: first came the galaxy, then came the black hole. Like a landlord building a house before the tenant moves in, galaxies were thought to be the necessary nursery for supermassive black holes. But the James Webb Space Telescope (JWST) has effectively torn up that architectural blueprint. By … Read more
The Cosmic “Chicken or Egg”: Did Black Holes Exist Before Galaxies? For decades, astronomers operated under a comfortable assumption: galaxies are the parents, and black holes are their children. The theory suggested that galaxies formed first, and within their dense hearts, stars collapsed to create the seeds of supermassive black holes. These seeds then grew … Read more
The Cosmic Kaleidoscope: What 390 Gravitational Waves Tell Us About Our Universe For years, astronomers relied on light to map the heavens. Today, we have a new sense: hearing the “chirps” of spacetime itself. The release of the Gravitational-Wave Transient Catalog (GWTC-5.0) marks a turning point in astrophysics, moving us from the era of individual … Read more
Unlocking the Secrets of Cosmic Noon: The Next Frontier in Galactic Evolution For decades, astronomers have looked at the universe as a gradual progression. But the reality is far more explosive. Between 2 and 3 billion years after the Big Bang, the universe hit a frantic peak of productivity known as Cosmic Noon. This wasn’t … Read more