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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.
March 2, 2024
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.
March 1, 2024
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.
February 1, 2024
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.
January 10, 2024
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.
January 9, 2024
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.
January 7, 2024
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.
January 1, 2024
Sun activity archive for January 2024
Sun activity archive for January 2024. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
January 1, 2024
When our sun dies, what will happen to Earth?
A study suggests our sun is about the lowest mass star that - when it dies - produces a visible, though faint, planetary nebula. What happens when our sun dies.
December 12, 2023
Sun activity archive for December 2023
Sun activity archive for December 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
December 1, 2023
