Are solar storms dangerous to us on Earth?

Activity on the sun affects Earth's magnetic field. It can cause geomagnetic storms and can create beautiful auroras. Are these solar storms dangerous?

Sun news: Big sunspot returned! Plus 2 M flares, CMEs coming

Sun news for March 18, 2024. Sun activity is moderate with a great mixture of action. That big sunspot is back! The March 17 filament eruption sent 2 CMEs Earthward.

It’s aurora season. Why more auroras at equinoxes?

An aurora season occurs in March and October each year, due to the way the magnetic fields of the sun and the Earth work in conjunction with sun-Earth geometry.

Photos of AR3590, biggest sunspot of Solar Cycle 25 so far

Did you get to see epic AR3590? If not, here's the story of a sunspot that has made history! And check out our YouTube videos as well.

Sun activity archive for March 2024

Sun activity archive for March 2024. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

Sun activity archive for February 2024

Sun activity archive for February 2024. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

2024’s biggest eclipse MISS happens January 11

January's new moon will be the biggest eclipse miss of 2024, an ultra-thin crescent not nearly aligned closely enough with the sun for a solar eclipse.

5 solar eclipses that changed our view of the world

Throughout history, total solar eclipses have blazed a path for science. Learn more about 5 solar eclipses that changed our view of the world.

What are X flares? Can they harm us?

X flares on the sun are the most powerful explosions in the solar system. We're likely to see more of them as we approach solar maximum, possibly due this year.

How to photograph a solar eclipse, with Alan Dyer

Get tips on how to photograph a solar eclipse with author and astrophotographer Alan Dyer. Use these tips for the April 8, 2024, total solar eclipse.

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