ATLAS maps the top quark–Higgs boson interaction with multileptons
One of the central questions in particle physics is how fundamental particles acquire mass. The top quark, as…
Milky Way’s ‘Central Black Hole’ is Compact Object Composed of Fermionic Dark Matter, Study Says
For decades, the motions of stars near the center of our Milky Way Galaxy have been treated as…
Ultra-High-Energy Neutrino May Signal First Glimpse of Primordial Black Hole Explosion
Physicists at the University of Massachusetts Amherst argue that an ultra-high-energy neutrino detected by the KM3NeT experiment could…
New gravitational wave detection tests Einstein’s theory of gravity
On January 14, 2025, the LIGO detectors recorded the loudest gravitational-wave (GW) signal to date, GW250114_082203, nicknamed GW250114,…
Event Horizon Telescope Pinpoints Possible Origin of Messier 87’s Black Hole Jet
Astronomers using the Event Horizon Telescope — a planet-scale array of eight ground-based radio telescopes — have identified…
Back from the dead, a black hole is erupting after a 100-million-year hiatus
Inside an incredibly bright cluster of galaxies, a long-dormant supermassive black hole has come back to life. Radio…
New Cosmological Simulations Shed Light on Growth of Black Holes in Early Universe
New state-of-the-art simulations by Maynooth University astronomers show that in the dense, turbulent dawn of the cosmos, ‘light…
Physicists Begin Building First-Ever Graviton Detector
Stevens Institute of Technology physicist Igor Pikovski and colleagues are developing the first experiment designed to capture individual…
Myth of wormholes and the quantum meaning of Einstein-Rosen Bridge
For decades, wormholes have been hypothesized as mysterious tunnels that might let us cross galaxies or even time…
Early Universe’s ‘Little Red Dots’ Are Young Supermassive Black Holes, Astrophysicists Say
Astrophysicists at the University of Copenhagen show that the enigmatic ‘little red dots’ — red sources scattered across…
NASA’s space probe reveals the violent past of the black hole at the center of the Milky Way
An artist’s illustration showing a black hole. (Image source: AlexAntropov86 – Pixabay) Astronomers have discovered the violent past…
Astronomers Discover Triple System of Active Galactic Nuclei 1.2 Billion Light-Years Away
A rare trio of merging galaxies called J121/1219+1035 hosts three actively feeding, radio-bright supermassive black holes, according to…