An international team, led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Ângela Santos, has made the first ...

The most striking feature of the Sun's magnetic field is its cyclic behaviour. The number of sunspots, which are dark regions of strong magnetic field on the Sun's surface, varies with a period of ...

A red giant star is a dying star in the last stages of stellar evolution. Our own sun will turn into a red giant, expand and engulf the inner planets.

AI can bridge the growing gap between new and old solar observations and help scientists uncover overlooked aspects of our star's long-term evolution, a new study argues.

Astronomers have discovered a new star that is 30 times larger than the sun and could force a major rethink of stellar evolution theories. The star, designated J0524-0336 and located around 30,000 ...