These storms are measured by something called the Disturbance Storm Time index, a negative measurement of the strength of Earth’s own electromagnetic field, which is pressured by the solar storm. The ...

Stars like our own Sun produce “superflares” around once every 100 years, surprising astronomers who had previously estimated that such events occurred only every 3000 to 6000 years. The result, from ...

A study published in The Astrophysical Journal Letters, introduces a newly defined "filament channel" function. This new ...

A powerful X1.8 solar flare erupted on January 4, 2025, and was recorded at its peak—7:48 a.m. ET—by NOAA’s Solar Ultraviolet ...

Last year gave skywatchers multiple stunning sky shows, including the total solar eclipse, the return of the “devil comet,” ...

The European Space Agency shows how the sun’s activity has ramped up as it careened toward "solar maximum." Data sonification brings solar flares to life through audio.

By historical definition, Solar Cycle 1 occurred between 1755 and 1766, placing the sun 's current cycle in Solar Cycle 25. As of the end of 2024, we are firmly within the solar maximum period.

A festive auroral display may be put on for a lucky few when coronal mass ejections hit Earth on Christmas Eve and Christmas Day.

X9.0 solar flare: Largest of 2024 Powerful X-class solar flares recorded Intense solar storms spark auroras worldwide ...

Between January and December 2024, the ⁤Sun produced a series of significant events, including several high-intensity flares from ... year for⁤ solar activity, characterized by a series ...

During the Solar Maximum, the Sun experiences a surge in solar activity, including powerful solar flares, coronal mass ... Given the current state of global dependence on the internet, such ...