NASA scientists are warning that the Sun’s internal engine is behaving in ways they have not seen in years, pointing to an abrupt shift in the star’s magnetic and energetic rhythms that drive space ...

The Sun has never looked quite like this. With a quartet of small satellites flying in formation, NASA’s PUNCH mission is stitching together a seamless, cinematic view of solar eruptions as they leave ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather and technology on Earth, NASA announced this week. A new research, ...