Geomagnetic Storms Hide Two Different Clocks, Five Solar Cycles of Data Reveal
A 45-year statistical analysis of geomagnetic storm timing reveals that growth and recovery phases follow distinct power laws with opposite ...
Tag: solar cycle
New Probabilistic Model Maps the Sun’s Hidden Far Side for Better Space Weather Forecasts
An SwRI-led team has developed a probabilistic framework that filters out false detections in far-side helioseismic data, producing the most ...
Old Newspaper Pages Reveal Decades of Rare Auroras Over Southern Spain
Researchers mined nearly a century of issues from a Spanish regional newspaper to recover 31 aurora reports, creating the first ...
Hidden Frequencies in Earth’s Magnetic Pulse Reveal a Stormy Surprise
A new Fourier analysis of the Ap geomagnetic index reveals that high-frequency harmonics were unexpectedly suppressed during a 2001 substorm, ...
Lost Soviet-Era Logbooks Reveal 26 Years of Night-Shining Clouds Over Latvia
A newly digitized archive of 26 years of visual and photographic observations of noctilucent clouds in Latvia, begun during the ...
AI Cracks a Decade of Arctic Skies: Clouds, Not the Sun, Rule Svalbard’s Aurora
A neural network trained on ten years of all-sky images from Svalbard shows that clouds, not solar activity, govern when ...
Century of Solar Photographs Reveals Hidden Rhythms in the Sun’s Magnetic Heart
A new analysis of more than a century of Ca ii K images from India's Kodaikanal Solar Observatory shows that ...
Lost 18th-Century Sunspot Diaries Reveal the Sun’s Quiet Comeback
Researchers have re-analyzed Philippe de La Hire's 1703 to 1710 sunspot journals from the Paris Observatory, reconstructing daily positions, areas, ...
Half a Century of X-Ray Solar Flares Reveals Unpredictable Cycle-to-Cycle Behavior
A half-century statistical analysis of GOES X-ray flare records shows that both flare intensity distributions and flare rates by sunspot ...
Tree Rings and Cosmic Rays Reveal a Thousand Years of Sunspot Cycles Without the Negative-Number Problem
A team of solar physicists has developed a new physics-constrained Bayesian method that reconstructs annually resolved sunspot numbers from radiocarbon ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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