The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

Internal changes due to the sun's "active biorhythm" have become increasingly "skin-deep" over the past four solar activity cycles, according to a new study. Publishing its findings in Monthly Notices ...

Earthquakes have long been considered unpredictable, but a new study suggests that solar activity could play a role in triggering seismic events. Researchers from the University of Tsukuba in Japan ...