[unable to retrieve full-text content] Sunspots are usually not a cause for concern, even if they double in size overnight and grow to be twice…
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Astronomers have finally resolved the conflict between the internal structure of the Sun as determined from solar oscillations and the structure derived from the fundamental…
The model developed by the scientists includes the history of the rotation of the sun but also the magnetic instabilities that it generates. Credit: Sylvia…
The intriguing feature in the bottom third of the image, below the center, has been nicknamed the solar hedgehog. At present no one knows exactly…
Solar flares and coronal mass ejections on the sun are caused by “magnetic reconnection”—when magnetic field lines of opposite directions merge, rejoin, and snap apart,…
NASA’s Solar Dynamics Observatory captured this image of a solar flare – as seen in the bright flash in the upper right portion of the…
Solar flares and coronal mass ejections on the sun are caused by “magnetic reconnection”—when magnetic field lines of opposite directions merge, rejoin, and snap apart,…
NASA’s Solar Dynamics Observatory captured this image of a solar flare – as seen in the bright flash in the upper left portion of the…
NASA’s Solar Dynamics Observatory captured this image of a solar flare – as seen in the bright flash in the lower right portion of the…
On April 16, 2022, NASA’s Solar Dynamics Observatory captured a solar flare – as seen in the bright flash on the left side of this…
To the human eye, Mercury may resemble a dull, grey orb but this enhanced-color image from NASA’s Messenger probe, tells a completely different story. Swathes…
NASA’s Solar Dynamics Observatory captured this image of a solar flare – as seen in the bright flash in the top right portion of the…
The ESA/NASAEstablished in 1958, the National Aeronautics and Space Administration (NASA) is an independent agency of the United States Federal Government that succeeded the National…
A new study has identified a nearby star whose sunspot cycles appear to have stopped. Studying this star might help explain the period from the…
Animation of ESA’s Sun-explorer Solar Orbiter. Credit: ESA/Medialab Solar Orbiter’s latest images shows the full Sun in unprecedented detail. They were taken on March 7,…
An artistic impression of the high-frequency retrograde (HFR) vorticity waves. These waves appear as swirling motions near the equator of the Sun. The rotation in…
The Solar Dynamics Observatory captured a splendid example of expanding coronal loops seen in profile at the edge of the Sun. Credit: NASA/Solar Dynamics Observatory…
Dr. Eugene N. Parker, visionary of heliophysics and namesake of NASAEstablished in 1958, the National Aeronautics and Space Administration (NASA) is an independent agency of…
Animation of the ESA/NASA Solar Orbiter making a close pass of the Sun. Credit: ESA/Medialab The ESA/NASAEstablished in 1958, the National Aeronautics and Space Administration…
Vigil warns Earth. Credit: ESA It’s the first mission of its kind, set to monitor our active and unpredictable Sun and help protect us from…