We may be already seeing the makings of next solar cycle, peeking out through the current one.
Two astronomers use a pioneering method to suggest that the size of our Sun and the solar radius may be…
Stellar fusion happens at a star's core, where the enormous temperatures and pressures fuse hydrogen atoms into helium, releasing radiation.…
Blue giant stars have a convective core that allows them to shine much longer.
Predicting the appearance of a sunspot is like predicting a tornado. But astronomers are starting to do it.