earth
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Potentially deadly 'chirping waves' detected in baffling location near Earth, and scientists are stumpedChorus waves are mysterious, chirping signals produced by spiraling plasma inside our planet's magnetic field. But a new detection suggests scientists may understand less about them than first thought.
By Ben Turner Published
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What's inside Earth quiz: Test your knowledge of our planet's hidden layersQuiz How's your knowledge of Earth's geology? Flat, round or global?
By Sascha Pare Published
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Scientists discover 'sunken worlds' hidden deep within Earth's mantle that shouldn't be thereA new way of measuring structures deep inside Earth has highlighted numerous previously unknown blobs within our planet's mantle. These anomalies are surprisingly similar to sunken chunks of Earth's crust but appear in seemingly impossible places.
By Harry Baker Published
geology -
James Webb telescope spots more than 100 new asteroids between Jupiter and Mars — and some are heading toward EarthAstronomers analyzing archival images from JWST have discovered an unexpectedly vast population of the smallest asteroids ever seen in the asteroid belt between Mars and Jupiter.
By Sharmila Kuthunur Published
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Why does Earth look flat if it's really round?It's all about perspective: The higher you go, the more you can see the curve.
By Kelly R. MacGregor Published
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'Spectacular' asteroid blazes over Siberia just hours after it was detectedAsteroid C0WEPC5 entered Earth's atmosphere at 1:15 a.m. local time on Dec. 4 over northeastern Siberia.
By Pandora Dewan Published
asteroids -
Mass extinctions make life 'bounce back stronger,' controversial study suggestsLarge-scale disruptions to life may ultimately increase ecological complexity over geologic timescales, though the risk of extinction always looms.
By Grace van Deelen Published
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Samples of 'alien' asteroid Ryugu are crawling with life — from EarthScientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But they almost certainly came from Earth.
By Ben Turner Published
asteroids -
Earth's '2nd moon' escapes our planet's orbit — will it ever return?The mini-moon 2024 PT5, which has been orbiting Earth for two months and is likely a chunk of the moon, will now drift away from our planet in an orbit around the sun.
By Ben Turner Published
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