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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-whycontradictory but rather represent different physical measurements. The GNSS data tracks the mechanical movement of the Earth’s crust, while geoid measurements reflect the shifting distribution of mass. Earth can thus appear to become more spherical in...
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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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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-asteroidsTiny chemical clues inside Moon dust show what kinds of asteroids hit the Earth–Moon system for billions of years, and why those impacts added very little water to Earth. Earth has a short memory. Its surface is always changing as continents move,...
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Earth Is Becoming Rounder and the Process Is Speeding Up According to New Data
https://www.bioscience.com.pk/en/subject/environmental-science/a-greek-professor-just-found-that-the-solid-earth-is-getting-rounder-and-the-change-is-speeding-upis the ongoing loss of polar ice sheets. As massive ice deposits melt, the reduction in weight allows the underlying Earth’s crust to rebound, causing the polar regions to rise. Conversely, the equatorial region experiences a slight reduction in its...
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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 Discover Earth Is Unzipping Beneath Italy In A Massive Geological Shift
https://www.bioscience.com.pk/en/subject/earth-science/a-500-kilometer-zone-under-italy-reveals-a-strange-movement-deep-inside-earths-crustNew research reveals a hidden, unexpected geological process shifting deep beneath Italy, shedding new light on how Earth’s crust continues to evolve. A hidden geological process deep beneath the Italian peninsula is fundamentally reshaping the...
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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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Tianwen-2 Sends First Close-Up of Earth’s Quasi-Satellite Asteroid Kamoʻoalewa
https://www.bioscience.com.pk/en/subject/astronomy/scientists-finally-reveal-the-face-of-earths-mysterious-asteroid-companion-after-a-billion-kilometer-journeyNew close‑up of asteroid Kamoʻoalewa shows its unique shape as scientists plan detailed studies and future sample missions to uncover its origins. China’s Tianwen‑2 probe has snapped the inaugural close‑up photograph of Kamoʻoalewa, a diminutive...
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New Simulation Reveals The Sweet Spot When Earth Became Ready For Life
https://www.bioscience.com.pk/en/subject/chemistry/researchers-pinpoint-4-33-billion-years-ago-as-earths-possible-sweet-spot-for-lifes-earliest-chemistry-though-the-study-doesnt-say-when-life-actually-beganYears of Planetary Evolution The research, published in Nature Communications, modeled the thermal evolution of the Earth’s crust from 4.5 to 3.5 billion years ago. The team, led by scientists including Oleg Abramov of the Planetary Science Institute,...
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Far‑Side Moon Rocks Reveal a Slow Decline in Early Asteroid Bombardment
https://www.bioscience.com.pk/en/subject/space-science/the-moons-far-side-preserved-something-earth-lost-billions-of-years-ago-and-scientists-finally-have-the-rocksNew lunar rocks from a previously hidden region expose Earth’s early violent history, offering scientists decades‑long sought evidence. Analyses of rocks retrieved from the Moon’s far side indicate that the early Solar System experienced a prolonged...
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Scientists Discover Earth’s Oldest Known Meteorite Impact Hidden in Ancient Australian Rocks
https://www.bioscience.com.pk/en/subject/science/a-forgotten-meteorite-strike-from-the-dawn-of-earth-has-been-revealed-inside-one-of-the-planets-oldest-rocksAncient Australian rocks have revealed evidence of a mysterious meteorite impact that struck Earth during the planet’s infancy. Geologists have unearthed evidence of a massive asteroid strike in Western Australia that dates back 3.47 billion years,...
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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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Europe Faces Steep Hurdles Securing Vital Green Transition Metals
https://www.bioscience.com.pk/en/subject/marine-science/from-global-rare-earth-resources-to-the-eu-supply-security-an-overview-on-primary-and-alternative-resources-and-strategic-pathwaysreveals that European decarbonization goals remain vulnerable to intense foreign market concentration. Deep beneath the Earth’s crust in Sweden and across global deposits lies a group of 17 chemically unique metals that have become the unexpected anchor...
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Earth And Mars Had Very Different Births According To New Chemical Analysis
https://www.bioscience.com.pk/en/subject/astronomy/mars-and-earth-share-a-solar-system-but-their-origins-may-tell-a-very-different-storyNew chemical analysis reveals that Earth and Mars followed drastically different evolutionary paths during the earliest stages of their formation. Earth and Mars, while sharing a common birthplace in the early solar system roughly 4.5 billion years...
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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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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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A Major African Continent Is Stretching and Thinning Faster Than We Thought
https://www.bioscience.com.pk/en/subject/environmental-science/one-of-earths-largest-continents-is-splitting-open-a-3-000-kilometer-scar-reveals-a-new-ocean-forming-faster-than-expectedDeep beneath Earth’s surface, the crust is stretching and thinning at an accelerating rate, according to new research into tectonic processes. The crust beneath Kenya’s Lake Turkana has been measured at a remarkably thin 13 kilometers, roughly 8 miles....
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Superionic Hydrogen Hidden in Earth’s Core Could Power the Planet’s Magnetic Field
https://www.bioscience.com.pk/en/subject/physics/earths-core-may-be-hiding-a-strange-form-of-hydrogen-that-exists-nowhere-else-on-the-planetNew research uncovers surprising dynamics inside Earth’s core, shedding light on the planet’s deepest mysteries. Computer models now indicate that the planet’s solid inner core may host a rare form of hydrogen that behaves like a liquid while retaining...
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InSight Finds Massive Hidden Magma Reservoirs Under Mars, Changing How We View Its Interior
https://www.bioscience.com.pk/en/subject/earth-science/nasas-insight-uncovered-evidence-that-mars-once-contained-vast-magma-reservoirs-hidden-beneath-the-surfaceMars data reveal a hidden interior, suggesting a dynamic world concealed for billions of years. Seismic recordings from NASA’s InSight lander suggest that Mars once harbored massive subsurface magma chambers, pointing to a far more intricate interior...
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Super‑Earths May Keep Solid Cores New Mineral Phase Reveals Unexpected Stability
https://www.bioscience.com.pk/en/subject/space-science/super-earths-might-not-have-the-deep-molten-interiors-scientists-expectedResearchers find that ultra‑high‑pressure mineral phases could solidify deep mantles on many super‑Earths, reshaping ideas of their interior structure. A recent investigation published in AGU Advances indicates that the innermost layers of many...