An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

This famous “battle zone” refers to a phase of the solar cycle during which the appearance of giant coronal holes is observed on the sun. The phenomenon in question could have disastrous ...

Known as the "battle zone," the newly identified developmental stage is when overlapping magnetic fields are present in each hemisphere of the sun and more giant coronal holes—cooler ...