Internal changes due to the sun's "active biorhythm" have become increasingly "skin-deep" over the past four solar activity ...

Using the Sun's internal sound waves, astronomers are able to measure the speed of migrating belts of plasma on the heavenly body, known as solar torsional oscillation. These rotation bands have a ...

The Sun’s magnetic poles are in the middle of an uneven, drawn-out reversal as Solar Cycle 25 moves through its solar maximum phase. NASA and NOAA jointly announced that the current cycle has entered ...

In this handout photo provided by NASA, an MDI image shows giant sunspots 486 and 488. Credit: NASA via Getty Images Beyond their love of radio, amateur radio operators and shortwave radio ...