A study of nearly 60 stars lets us understand why our Sun was once quiet for 70 years.
For the first time astronomers have observed waves of magnetic energy, known as Alfvén waves, in the photosphere of the…
The Sun has a lot of rhythm and goes through different cycles of activity. The most well-known cycle might be…
Predicting the appearance of a sunspot is like predicting a tornado. But astronomers are starting to do it.
An international team of astronomers recommends creating "Betelgeuse Scope" to monitor this mysterious star find out why it has been…
The sun goes through a regular 11-year cycle, swinging between periods of dormancy and periods of activity. Scientists from NASA…
I forget the Sun is a star. I think we all do sometimes. It’s easy to take for granted. The…
Sunspots are common on our Sun. These darker patches are cooler than their surroundings, and they're caused by spikes in…
The sun constantly cycles between periods of activity and periods of inactivity, and a new technique allows scientists to better…
Scientists are getting better at predicting colorful auroras here on Earth by closely watching the behavior of the Sun.