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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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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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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Magnetic fields are detected throughout the universe and widely participate in astrophysical dynamics. Various fundamental phenomena, including coronal mass ejections, solar flares, gamma-ray bursts and pulsar winds, are ...
Plasma Physics
Jan 26, 2022
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(PhysOrg.com) -- A coronal mass ejection (CME) shot off the sun late in the evening of October 21 and hit Earth on October 24 at about 2 PM ET. The CME caused strong magnetic field fluctuations near Earth's surface – ...
Space Exploration
Oct 27, 2011
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On 23 July 2012, humanity escaped technological and economic disaster. A diffuse cloud of magnetized plasma in the shape of a slinky toy tens of thousands of kilometers across was hurled from the Sun at a speed of hundreds ...
Astronomy
Jul 20, 2021
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In a dramatic, multi-staged eruption, the sun has revealed new clues that could help scientists solve the long-standing mystery of what causes the sun's powerful and unpredictable eruptions. Uncovering this fundamental physics ...
Astronomy
Jun 8, 2021
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An enormous sunspot, labeled AR1944, slipped into view over the sun's left horizon late on Jan. 1, 2014. The sunspot steadily moved toward the right, along with the rotation of the sun, and now sits almost dead center, as ...
Space Exploration
Jan 7, 2014
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Looking across the Mars landscape presents a bleak image: a barren, dry rocky view as far as the eye can see. But scientists think the vista might once have been quite different. It may have teemed with water and even been ...
Space Exploration
Sep 24, 2014
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