Latest Coronal mass ejection Stories
The Sun sporadically expels trillions of tons of million-degree hydrogen gas in explosions called coronal mass ejections (CMEs).
Every hundred years or so, a solar storm comes along so potent it fills the skies of Earth with blood-red auroras, makes compass needles point in the wrong direction, and sends electric currents coursing through the planet's topsoil.
After detailed analysis of data from the SOHO and GOES spacecraft, a team of European scientists has been able to shed new light on the role of solar flares in the total output of radiation from our nearest star.
Solar storms don't always travel in a straight line -- but once they start heading in our direction, they can accelerate rapidly, gathering steam for a harder hit on Earth's magnetic field.
Just as we grow used to satellite navigation in everyday life, media reports argue that a coming surge in solar activity could render satnav devices useless, perhaps even frying satellites themselves.
Sky viewers might get to enjoy some spectacular Northern Lights, or aurorae, in the early morning hours of August 4th.
Scientists now say that a massive eruption from the sun in April might have caused the Galaxy 15 satellite to become a "zombie."
NASA's recently launched Solar Dynamics Observatory, or SDO, is returning early images that confirm an unprecedented new capability for scientists to better understand our sunâ€™s dynamic processes.
Polar skies glowed with ghostly auroras last week during the biggest geomagnetic storm of 2010.
Scientists from the University of Leicester have used observations from NASAâ€™s STEREO and ACE satellites to come up with more accurate predictions of when blasts of solar wind will reach Earth, Venus and Mars.
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