sunspots

Astronomers Confirm the Existence of Magnetic Waves in the Sun’s Photosphere

For the first time astronomers have observed waves of magnetic energy, known as Alfvén waves, in the photosphere of the…

3 months ago

Tree Rings Reveal 1,000 Years of Solar Activity

The Sun has a lot of rhythm and goes through different cycles of activity. The most well-known cycle might be…

8 months ago

Solar astronomers can now predict future sunspots. There should be a big one in a couple of days

Predicting the appearance of a sunspot is like predicting a tornado. But astronomers are starting to do it.

10 months ago

What’s Happening with Betelgeuse? Astronomers Propose a Specialized Telescope to Watch the Star Every Night

An international team of astronomers recommends creating "Betelgeuse Scope" to monitor this mysterious star find out why it has been…

11 months ago

Solar Cycle 25 has arrived. Here’s what to expect from the Sun in the coming months and years

The sun goes through a regular 11-year cycle, swinging between periods of dormancy and periods of activity. Scientists from NASA…

12 months ago

Time-Lapse Video Reveals 10 Years of the Sun’s Life Crushed into One Stellar Hour

I forget the Sun is a star. I think we all do sometimes. It’s easy to take for granted. The…

1 year ago

1 in 10 Red Giants are Covered in Spots, and They Rotate Surprisingly Quickly

Sunspots are common on our Sun. These darker patches are cooler than their surroundings, and they're caused by spikes in…

1 year ago

Scientists are much better at predicting when the Sun is going to become more active

The sun constantly cycles between periods of activity and periods of inactivity, and a new technique allows scientists to better…

1 year ago

Watch the Sun to Know When We’re Going to Have Killer Auroras

Scientists are getting better at predicting colorful auroras here on Earth by closely watching the behavior of the Sun.

3 years ago

How Can You see the Northern Lights?

The northern lights are an amazing thing to behold, and can be seen regularly from locations spanning from Siberia and…

5 years ago