On Feb. 4, 2022, SpaceX launched 49 satellites as part of Elon Musk's Starlink internet project, most of which burned up in the atmosphere days later. The cause of this more than US$50 million failure was a geomagnetic storm ...
Astronomy
Mar 3, 2022
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An active region on the sun – an area of intense and complex magnetic fields – rotated into view on Oct. 18, 2014. Labeled AR 12192, it soon grew into the largest such region in 24 years, and fired off 10 sizable solar ...
Space Exploration
Oct 31, 2014
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The sun is the most important source of energy for sustaining life on Earth, but it gives us a lot more than just light and heat. It also gives us solar storms.
Astronomy
Mar 29, 2021
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The more solar observatories, the merrier: Scientists have developed new models to see how shocks associated with coronal mass ejections, or CMEs, propagate from the Sun—an effort made possible only by combining data from ...
Space Exploration
Mar 9, 2018
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Caltech applied physicists have experimentally simulated the sun's magnetic fields to create a realistic coronal loop in a lab.
Space Exploration
Nov 7, 2016
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Our sun actively produces solar flares that can impact Earth, with the strongest flares having the capacity to cause blackouts and disrupt communications—potentially on a global scale. While solar flares can be powerful, ...
Astronomy
Dec 6, 2023
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This Solar Dynamics Observatory image of the Sun taken on January 10 in extreme ultraviolet light captures a dark coronal hole just about at sun center.
Space Exploration
Jan 12, 2011
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Scientists have for the first time witnessed the mechanism behind explosive energy releases in the Sun's atmosphere, confirming new theories about how solar flares are created.
Astronomy
Mar 27, 2014
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A sobering study published this month in Space Weather warns why we need to get better prepared for disruptive space weather events – particularly coronal mass ejections.
Space Exploration
Oct 16, 2013
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Weeks after Parker Solar Probe made the closest-ever approach to a star, the science data from the first solar encounter is just making its way into the hands of the mission's scientists. It's a moment many in the field have ...
Space Exploration
Dec 13, 2018
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