Scientists have used data from ESA and NASA's Solar and Heliospheric Observatory, or SOHO, to detect a type of wave called g-modes on the Sun. These g-modes reveal that the solar core is rotating ...

In contrast, during a total solar eclipse — which is preceded by a partial eclipse — the moon completely covers the sun, ...

The diagram shows the life cycles of stars that are: about the same size as the Sun; far greater than the Sun in size. All stars begin life in the same way. A star forms from massive clouds of ...