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Chandrayaan-2 Detects Possible Ice Beneath Lunar Surface Why in the News ? Scientists using data from Chandrayaan-2 have identified possible signs of sub-surface water ice in the Lunar South Polar Region. The discovery, based on radar observations, could support future lunar exploration and long-term human presence on the Moon. Key Findings from Chandrayaan-2 Mission Nearly …
Read MoreEarth’s Outer Core Shows Unexpected Magnetic Flow Changes Why in the News ? Researchers from the University of Edinburgh and the British Geological Survey discovered major changes in the flow of molten iron inside Earth’s outer core, affecting the planet’s magnetic field and improving understanding of Earth’s internal dynamics, which are crucial for maintaining a …
Read MoreZWAN-WOLF EFFECT Why in the News? Mars Discovery: Scientists detected the Zwan-Wolf effect on Mars using data from National Aeronautics and Space Administration’s MAVEN spacecraft, marking a significant milestone in understanding planetary atmospheric dynamics and space weather phenomena, while demonstrating the importance of india-us relations and quadrilateral security dialogue frameworks in advancing space exploration capabilities …
Read MoreSalar de Pajonales: Clue to Martian Life Why in the News ? Scientists studying Salar de Pajonales in Chile’s Atacama Desert have discovered how gypsum rocks protect and preserve microbial life. The findings strengthen the possibility that similar gypsum deposits on Mars could hold evidence of ancient extraterrestrial life. Research at such sites requires proper …
Read MoreMini-Lightning Sparks Detected in Mars’ Thin Atmosphere Why in the News ? Scientists analysing data from NASA’s Perseverance rover have discovered evidence of mini-lightning electrical discharges occurring in Mars’ atmosphere. These findings, published in Nature, reveal new insights into atmospheric chemistry, dust storms, and potential risks to future human missions on the Red Planet. Key …
Read MoreMartian Crater Named After Geologist M.S. Krishnan Why in the News? The International Astronomical Union (IAU) has approved naming a 3.5-billion-year-old Martian crater after Indian geologist M.S. Krishnan, along with several Kerala-based names assigned to smaller Martian landforms, marking a major global recognition for Indian geoscientific heritage. This achievement highlights India’s growing presence in international …
Read MoreRare Earth Hypothesis: Revisiting Life’s Cosmic Uniqueness Why in the News? Recent findings from the Kepler and James Webb Space Telescopes have revived interest in the Rare Earth Hypothesis, suggesting that while earth-sized planets in habitable zones are common, the exact conditions needed for complex life remain exceptionally rare and difficult to replicate. This renewed …
Read MoreThis image explains the Gaseous Tidal Theory, which describes how a wandering star’s gravitational pull led to the formation of planets from the Sun’s gaseous material. It belongs to UPSC GS Paper 1, Geography (Physical Geography), covering Earth’s origin and planetary formation
Read MoreNASA Discovers Uranus’s 29th Moon S/2025 U1 Why in the News? NASA has announced the discovery of the 29th moon of Uranus, named S/2025 U1, detected by the James Webb Space Telescope (JWST) on 2nd February 2025. This new moon adds to Uranus’s growing family of natural satellites, updating the moon count for this distant …
Read MoreSaturn’s Moon Explosion: 128 New Moons Discovered, Saturn Becomes the Moon King of the Solar System In a remarkable leap for planetary astronomy, Saturn planet has officially claimed the crown as the planet with the most moons in our solar system, with a total tally of 274 confirmed natural satellites. This record-breaking astronomical discovery—an addition …
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