Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...
The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.
For the first time since June 2022, the sun has appeared completely free from sunspots, a phenomenon that caught the ...
The sunspot patch that caused the early May auroras is again active. Formerly AR 3664, the area generated three X-class flares, including the most powerful of the solar cycle, before spinning out of ...
Boulder, Colorado — Scientists from the National Solar Observatory (NSO) in Tucson, Arizona, have discovered that a solar jet stream deep inside the Sun is migrating slower than usual through the star ...
The sun is entering a period of increased sunspot activity that could disrupt satellite and broadcast communications and will spur scientific scrutiny of the largest celestial body in our part of the ...
NASA scientists are warning that the sun may be "waking up" from a brief period of relative inactivity, contradicting past assumptions about our home star. If true, this could mean that decades of ...
Using modern techniques, researchers have re-examined Johannes Kepler's half-forgotten sunspot drawings and revealed previously-hidden information about the solar cycles before the grand solar minimum ...