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NASA Satellite That Studied Earth’s Radiation Belts Has Fallen Back to Earth
https://www.bioscience.com.pk/en/subject/space-science/nasa-satellite-that-studied-earths-radiation-belts-has-fallen-back-to-earthA retired NASA spacecraft that once explored Earth’s hazardous radiation belts has fallen back to Earth years earlier than expected, after heightened solar activity gradually pulled it out of orbit. Space missions rarely end with a dramatic finale....
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Earth’s Continents Are Quietly Breaking Apart Below the Surface, And Scientists Finally Know What Happens Next
https://www.bioscience.com.pk/en/subject/earth-science/earths-continents-are-quietly-breaking-apart-below-the-surface-and-scientists-finally-know-what-happens-nextContinents slowly shed their deep roots during breakup, sending ancient mantle material beneath the oceans and creating enriched volcanic activity. Ocean volcanoes often erupt lavas with chemical signatures that seem too old and too enriched to come...
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Fossil Shells Reveal How Ancient Oceans Helped Regulate Earth’s CO2
https://www.bioscience.com.pk/en/subject/environmental-science/fossil-shells-reveal-how-ancient-oceans-helped-regulate-earths-co2ocean chemistry. More fossil data and improved models will be needed to resolve these questions. What is clear is that Earth’s oceans have been active players in the planet’s long-term carbon story, not just passive reservoirs. The research was...
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Moon Dust Reveals Why Earth’s Oceans Didn’t Come From Asteroids
https://www.bioscience.com.pk/en/subject/astronomy/moon-dust-reveals-why-earths-oceans-didnt-come-from-asteroidsminerals. These space rocks are often suggested as possible water carriers to early Earth. If these objects delivered Earth’s oceans, the Moon should show signs of the same process. After all, Earth and Moon were hit by many of the same objects....
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The Voyager Golden Record: A Time Capsule of Life on Earth
https://www.bioscience.com.pk/en/topics/biology/the-voyager-golden-record-a-time-capsule-of-life-on-earthExplore the biological significance of the Voyager Golden Record, a message of life from Earth to the cosmos. Discover its contents, purpose, and implications for astrobiology and the search for extraterrestrial life. In 1977, NASA launched the Voyager...
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Deep Core Flow Reversed Beneath Pacific 2,200 km Below Earth Offers Unprecedented Glimpse
https://www.bioscience.com.pk/en/subject/space-science/a-hidden-current-2-200-kilometers-below-earth-suddenly-reversed-giving-scientists-their-best-look-yet-inside-the-coreDecades of hidden Earth signals reveal Beneath the Pacific basin, a vast pocket of liquid iron altered its flow direction near 2010, hinting that Earth’s inner dynamics can undergo rapid shifts. The planet’s outer core, a massive layer of swirling...
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Earth Is Changing Shape As Its Poles Rise and Its Equator Sinks
https://www.bioscience.com.pk/en/subject/physics/earths-shape-is-changing-faster-than-before-and-scientists-are-uncovering-whyEarth’s poles are rising faster than previously expected as the planet’s solid surface and gravitational field evolve in separate, complex directions. The physical structure of our planet is in a state of measurable flux. New research highlights that...
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Engineers Propose Giant Sunshade and Jupiter Fusion to Keep Earth Habitable After Sun’s Death
https://www.bioscience.com.pk/en/subject/earth-science/scientists-reveal-a-wild-plan-to-keep-earth-alive-after-the-sun-turns-into-a-red-giantScientists propose a bold plan to protect Earth from the Sun’s deadly expansion billions of years in the future. In roughly a billion years the Sun will exhaust its nuclear fuel and swell into a red giant, a transformation that could strip Earth of its...
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New Study Suggests Venus May Have Covered 90
https://www.bioscience.com.pk/en/subject/earth-science/scientists-say-venus-may-have-hidden-vast-oceans-for-billions-of-yearsGeologists propose Venus once hosted massive oceans, challenging views of its ancient climate and habitability, hinting at past life potential. For many years Venus has been portrayed as a hostile world of crushing pressure, scorching temperatures and...
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Earth’s Pacific
https://www.bioscience.com.pk/en/subject/space-science/earths-molten-outer-core-suddenly-shifted-direction-2-200-kilometres-down-in-the-pacificScientists probe a puzzling shift in Earth’s molten core 2,200 km beneath the Pacific, where flow reversed then weakened, sparking new deep‑earth research. A team of geophysicists has identified a dramatic change in the flow of liquid iron beneath the...
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NASA Just Revealed Earth Is Shifting In A Way We Previously Got Wrong
https://www.bioscience.com.pk/en/subject/space-science/scientists-just-discovered-earth-is-moving-in-a-way-we-didnt-expect-forcing-a-major-update-to-previous-estimatesNew research using Earth observation data has revealed a significant shift in our understanding of how the planet’s center of mass moves each year. New analysis of long-term NASA observational data has yielded a refined understanding of how Earth’s...
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Earth Is Forming Its Next Supercontinent And The Results Could Be Catastrophic For Life
https://www.bioscience.com.pk/en/subject/chemistry/earths-continents-will-merge-again-and-the-next-supercontinent-could-be-brutal-for-lifeScientists have modeled four potential visions for Earth’s distant future, each promising to reshape our climate, oceans, and the survival of all life. While the map of the world appears fixed, the surface of the Earth is in a constant state of flux....
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Earth’s Oxygen Atmosphere Has an Expiration Date and It Is Closer Than We Thought
https://www.bioscience.com.pk/en/subject/space-science/scientists-reveal-when-earth-could-lose-its-oxygen-rich-atmosphere-and-its-sooner-than-expectedA new model published in Nature Geoscience predicts when Earth’s oxygen-rich atmosphere will eventually collapse, marking a turning point for life. Our planet’s hospitable, oxygen-rich atmosphere is a fleeting luxury in the grander timeline of the...
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800 Million Years Ago an Asteroid Breakup Sent a Cosmic Bombardment to Earth, Moon and Mars
https://www.bioscience.com.pk/en/subject/space-science/a-massive-asteroid-disaster-800-million-years-ago-may-have-changed-earths-cosmic-historyNew study suggests a massive asteroid shattered 800 million years ago, unleashing a debris wave that swept through the inner Solar System. New calculations suggest that a catastrophic breakup of a parent body in the main asteroid belt around 800...
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Scientists Warn: A Major Satellite Collision Could Be Just Days Away
https://www.bioscience.com.pk/en/subject/space-science/scientists-warn-a-major-satellite-collision-could-be-just-days-awayAs megaconstellations flood low Earth orbit, a new “CRASH Clock” reveals how close we may be to a chain reaction of satellite collisions that could disrupt life on Earth. If you checked the weather today, used GPS to navigate, watched a live sports...
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New 400‑Year Database Maps Rare Milky Seas, Linking Climate Cycles to a Possible Ocean Warning
https://www.bioscience.com.pk/en/subject/marine-science/something-has-lit-up-the-ocean-for-centuries-scientists-may-finally-know-the-eerie-truthSatellites and old ship logs map the mysterious milky seas—vast glowing oceans that may signal a hidden environmental threat. Sailors have long spoken of a nocturnal ocean that turns a luminous cream, bright enough to read by, and stretches to the...
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Rare Clay Layer Reveals Asteroid Impact Caused Sudden Ocean Acidification, Not Gradual Decline
https://www.bioscience.com.pk/en/subject/chemistry/a-rare-layer-of-rock-preserved-evidence-that-the-dinosaur-killing-asteroid-didnt-just-cause-extinction-it-rapidly-changed-earths-oceansbiodiversity and cutting oceanic photosynthesis roughly in half. These graphs show how the Chicxulub asteroid threw Earth’s oceans out of balance, changing their chemistry and disrupting the carbon cycle. Credit: PNAS Recovery was prolonged:...
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ESA Just Launched Two New Satellites To Track The Hidden Signals Of Earth’s Changing Climate
https://www.bioscience.com.pk/en/subject/space-science/europe-just-sent-two-new-satellites-into-orbit-to-watch-earth-change-in-real-timeAs the latest iteration in the Sentinel-3 series, this spacecraft is tasked with the systematic observation of Earth’s oceans, landmasses, ice sheets, and the atmosphere. Sentinel-3C is engineered to provide long-term, consistent data on critical...
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Hidden Oxygen Reservoirs Found Deep Inside Earth’s Magma Could Rewrite History
https://www.bioscience.com.pk/en/subject/astronomy/scientists-discover-oxygen-trapped-deep-inside-earths-magma-possibly-explaining-the-rise-of-early-lifeScientists have discovered oxygen trapped deep within Earth’s magma, a finding that could explain the mysterious rise of early life on our planet. Geoscientists have long operated under the assumption that the oxygen content in Earth’s mantle is...
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Deep Mantle Water Reservoir Equivalent to
https://www.bioscience.com.pk/en/subject/chemistry/scientists-find-evidence-of-three-oceans-worth-of-water-700-kilometers-deep-inside-earths-mantleScientists discover a massive water reservoir 700 km deep in Earth’s mantle, locked in rock and unlike any known ocean. At a depth of roughly 700 km beneath the planet’s crust, a massive slab of rock stores water bound within its mineral crystals under...