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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...

Scientists Recreate Enceladus' Hidden Ocean, Revealing Organic Chemistry Linked to Life Laboratory Experiments Replicate Enceladus' Subsurface Ocean Recent laboratory experiments conducted by scientists in Japan and Germany have successfully replicated the chemical environment believed to exist within the hidden ocean beneath Saturn's moon Enceladus. The findings, published in the journal Icarus , reveal that these simulated condition can naturally generate many of the organic compounds previously identified by NASA's Cassini spacecraft , reinforcing the idea that Enceladus may possess the fundamental molecular ingredients necessary for life . Evidence of a Vast Ocean Beneath Enceladus' Icy Crust Astronomers have long theorized that a vast body of liquid water lies beneath Enceladus's thick icy crust, particularly around its south polar region . Strong evidence for this concealed ocean comes from towering plumes of water vapour and ice that regularly burst t...

Cassini Data Reveals Saturn's Rings Extend Far Beyond What Telescopes Can See Cassini's Grand Finale Unlocks New Clues About Saturn's Ring System In 2017 , NASA's Cassini spacecraft entered its dramatic final phase, known as the Grand Finale Orbits (GFOs) , before deliberately plunging into Saturn's atmosphere. During these daring passes, Cassini gathered dust samples from both above and below the planet's rings using its Cosmic Dust Analyzer (CDA) . A newly published study in The Planetary Science Journal now reveals that the data suggests Saturn's iconic rings stretch far beyond their seemingly razor-thin appearance when viewed through telescopes. Readers interested in landmark space missions and deep-space discoveries can explore more coverage at FSNews365 , which frequently reports on planetary science and spacecraft findings. Striking Compositional Similarities Found in High-Latitude Dust Cassini Records 1,690 Dust Spectra During its 20 orbits , C...

Astronomers Discover One of the Oldest and Densest Brown Dwarfs Orbiting an Ancient Milky Way Star Harvard-Smithsonian Team Reports Rare Brown Dwarf Discovery Astronomers from the Harvard-Smithsonian Centre for Astrophysics (CfA) , together with international partners, have announced the discovery of a powerful new brown dwarf roughly 60 times heavier than Jupiter . The object, named TOI-7019 b , orbits a star belonging to the Milky Way's ancient thick disk . The discovery is outlined in a study published on 5 December on the arXiv preprint server. Readers following major breakthrough in astronomy and space science can find related discoveries and cosmic research coverage at FSNews365 , which regularly reports on astrophysics and exoplanet science. In Between Planets and Stars Why Brown Dwarfs Are So Unusual Brown dwarfs (BDs) occupy a curious middle ground between planets and stars , with masses ranging from 13 to 80 times that of Jupiter , or roughly 0.012 to 0.076 solar masses...

Little Red Dots: James Webb Telescope Reveals Ancient Seeds of Galaxies and Black Holes Webb's Early Glimpse into the Birth of Galaxies When the James Webb Space Telescope (JWST) commenced operations, one of its first missions focused on studying galaxies formed in the infancy of the universe. By December 2022, the telescope detected several mysterious "little red dots" (LRDs) , sparking curiosity about their true nature. Although most researchers now believe these compact entities are ancient galaxies, their composition — and the reason for their striking redness — remains uncertain. According to one theory, known as the "stellar-only" hypothesis , the colour results from dense concentrations of stars and cosmic dust. This suggests that these objects may resemble the " dusty galaxies " seen in the present-day universe. Conversely, the "MBH and galaxy" theory argues that LRDs represent early forms of active galactic nuclei (AGNs) , which p...

Mars' Ancient Secrets: Evidence of Habitable Conditions and Potential Microbial Life Nasa's ongoing exploration of Mars continues to unveil fascinating discoveries , suggesting that the Red Planet may have once harboured conditions suitable for life. A recent study led by NASA and supported by crucial research from Imperial College London has identified minerals and organic compounds in Martian rocks that point toward ancient habitable environments. This groundbreaking research focuses on the Bright Angel formation within Jezero Crater, revealing chemical signatures that could represent some of the first potential biosignatures of life beyond Earth. The Search for Life on Mars The quest to determine whether Mars could support life has long captivated scientists and the public alike. Researchers from the Department of Earth Science and Engineering (ESE) at Imperial College London analyzed geological features within Jezero Crater's Bright Angel formation. Their findings sh...

NASA and Chilean Scientists Study 3I/ATLAS, A Comet That Breaks the Rules Interstellar visitors are rare guests in our Solar System , but when they appear they often rewrite the rules of astronomy. Such is the case with 3I/ATLAS , a fast-moving object that has left scientists puzzled with its bizarre behaviour. Recent findings from NASA and Chilean researchers reveal that this comet-like body is expelling an unusual plume of nickel — without the iron that typically accompanies it. The discovery challenges conventional wisdom about how comets form and evolve, sparking both excitement and controversy across the scientific community. A Cosmic Outsider: What Is 3I/ATLAS? The object 3I/ATLAS —the third known interstellar traveler after "Oumuamua (2017) and 2I/Borisov (2019) —was first detected in July 2025 by the ATLAS telescope network , which scans he skies for potentially hazardous objects. Earlier images from Chile's Vera C. Rubin Observatory had unknowingly captured it, but ...