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Did Theia Start as a Nearby Planet? Rethinking the Moon’s Birth For decades, scientists have told a dramatic tale: a colossal asteroid-like body named Theia…
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Introduction: A Planetary Ice Age Revealed Recent high-resolution images from the European Space Agency’s Mars Express orbiter are offering a clearer view of Mars’ past.…
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Titan’s Surprising Chemistry under Frigid Conditions In the hollowed reaches of the outer solar system, Saturn’s largest moon, Titan, harbors a world of ice-coated lakes…
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New JWST Detections Reveal Deuterium-Enriched Ice on Saturnian Moons The deuterium-to-hydrogen (D/H) ratio in water ice is a key tracer of how and where planetary…
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Introduction New modeling work published in Nature Communications proposes a surprising source for equatorial ice on Mars: explosive volcanic eruptions from the planet’s distant past.…
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Overview: A New Clue About the Moon’s Largest Crater For decades, scientists have studied the South Pole-Aitken (SPA) basin, the Moon’s most expansive impact feature.…
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Rethinking the Ice Giants label For decades, Uranus and Neptune have been classed alongside Jupiter and Saturn as “giants,” but categorized as “ice giants” due…
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Introduction The James Webb Space Telescope (JWST) is pushing the frontiers of planetary science by analyzing the composition of bodies far from Earth. A new…
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New Look at an Old Mission Fifty years after NASA’s Pioneer Venus mission descended through Venus’ clouds, researchers have revisited the mission’s mass spectrometry data…
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Strongest signs of life on Mars yet spark debate about a habitable past A new study led by NASA and including crucial analysis from Imperial…
