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Record-Breaking Gamma-Ray Burst Lasts Seven Hours, Challenging Astronomers Understanding of Cosmic Explosions Among the universe's most powerful phenomena are gamma-ray bursts — cosmic explosions capable of releasing, in a split second, more energy than the Sun will emit over its entire ten-billion-year existence. Normally, these intense flashes disappear almost immediately, lasting seconds or at most, a few minutes. However, on 2 July 2025 , astronomers detected an event that defied every expectation. Instead of ending quickly, the signal persisted for seven hours , produced three distinct bursts throughout a single day and left behind a glowing aftereffect that continued for months. The moment it was observed, scientists recognized that this was no ordinary gamma-ray burst . Explore more space science discoveries: SETI Study Reveals Space Weather Could Be Hiding Alien Signals From Earth GRB 250702B — The Longest Gamma-Ray Burst Ever Observed The phenomenon, designated GRB 250702...

Supermassive Black Hole Binaries May Exist in Ultra-Dense Cosmic Environments, New Study Reveals Scientists studying the universe's most mysterious regions have uncovered surprising evidence about the extreme environments surrounding supermassive black hole pairs . A groundbreaking study published in Nature Astronomy suggests that galactic centers hosting these cosmic giants could be packed with extraordinary densities of stars and dark matter . The research relies on advanced observations using pulsar timing arrays , offering astronomers a new method to investigate places are otherwise impossible to study directly. Highlights of the Discovery Researchers studied gravitational waves detected through pulsar timing arrays (PTAs) Galactic centers around supermassive black hole binaries may contain  ~ 1 million solar masses per cubic parsec A faint cosmic gravitational-wave hum was detected across the universe Environmental interactions may influence how black holes merge The findin...

KM3NeT Detects 220 PeV Neutrino: Scientists Rule Out Primordial Black Hole Explosion Near Earth A Record-Breaking Detection Beneath the Mediterranean The KM3NeT collaboration, an extensive international research consortium, operates a vast neutrino telescope network beneath the Mediterranean Sea. Its mission is to detect high-energy neutrino events — exceptionally rare and short-lived interactions involving neutrinos, subatomic particles of almost negligible mass, often dubbed “ghost particles” due to their elusive nature. In a recent breakthrough, the team recorded an extraordinarily powerful neutrino event measuring approximately 220 peta-electron volts (PeV) . This ranks among the most energetic detections ever observed, yet its cosmic source remains unknown. Scientists from the Universidad de São Paulo and the Universidad Autónoma de Madrid have since conducted a theoretical investigation into one compelling hypothesis: that the event may have been triggered by the explos...

Colossal Black Hole Caught Shredding a Massive Star in Rare Cosmic Event Known as the 'Whippet' A colossal black hole has been caught tearing apart a massive star , likened by scientists to " preparing a snack for lunch ", during observations presented at the American Astronomical Society's annual meeting held from 4-8 January . Astronomers across the globe witnessed the dramatic cosmic encounter , which was reported at the AAS conference in Phoenix, Arizona . The doomed star was described as being ripped apart and consumed piece by piece by black hole's overwhelming gravitational pull . More breaking space discoveries Scientists Describe an Exceptionally Rare Stellar Destruction Speaking at the conference, Associate Professor of Astrophysics Daniel Perley of Liverpool John Moores University , lead author of a forthcoming paper in Monthly Notices of the Royal Astronomical Society , said: "We believe we have identified a black hole merging with a mass...

Astronomers Capture First-Ever Spacetime Vortex Caused by a Spinning Black Hole Scientists Report Breakthrough Observation in Rare Cosmic Event The cosmos has delivered a remarkable surprise to a team of researchers long in pursuit of one of the night sky's most elusive events. Their findings, published in Science Advances, reveal the first-ever recorded sighting of a spiraling vortex within spacetime, generated by a rapidly spinning black hole. This phenomenon — known as Lense-Thirring precession, or frame-dragging — explains how a black hole twists the fabric of spacetime around it, pulling nearby stars along and causing their orbits to wobble. Discovery of the Swirling Vortex Effect How AT2020afhd Revealed a Hidden Spacetime Distortion The research team, led by the National Astronomical Observatories of the Chinese Academy of Sciences, analyzed AT2020afhd — a tidal disruption event in which a star was ripped apart by a supermassive black hole. The violent encounter created a swi...

Rare Optical Flare AT2022zod May Be an Unusual Tidal Disruption Event, Astronomers Say International Team Investigates a Powerful and Mysterious Flare Study Posted on arXiv Reveals New Clues to a Rare Phenomenon An international team of astronomers has examined a brief but intense optical flare known as AT2022zod, uncovering evidence that it may represent an unusual tidal disruption event. Their results, posted on 1 December on the arXiv pre-print server, shed new light on this rare phenomenon. A tidal disruption event (TDE) occurs when a star wanders too close to a supermassive black hole and is torn apart by immense tidal forces. The shredded stellar material then spirals inward, producing radiation from the innermost regions of the accreting debris — a telltale hallmark of a TDE. A Mysterious Flare Observed in 2022 Optical Outburst Lasted Just Over a Month AT2022zod was observed as an optical flare lasting just over a month, from 13 October to 18 November 2022, with a rise of rough...