Sun news: Sun-stuff arrives, but disturbance only mild

Sun news for June 9, 2026: The eagerly anticipated blast of sun-stuff arrived yesterday, but only triggered mild disturbance.

Sun activity archive for May 2026

Sun activity archive for May 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

Slow solar wind is oddly fast, says Proba-3

Early data from the Proba-3 spacecraft has revealed that slow solar wind travels much faster than expected in the sun's inner corona.

What are coronal mass ejections? Big burps of sun-stuff!

Coronal mass ejections (CMEs) are powerful eruptions on the sun that can disrupt electrical systems and produce brilliant auroral displays on Earth.

Sun activity archive for April 2026

Sun activity archive for April 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

Russell-McPherron effect gives us an aurora season: More auroras at equinoxes

There's an aurora season around the equinoxes, due to the way the magnetic fields of the sun and the Earth work in conjunction with sun-Earth geometry.

Sun activity archive for March 2026

Sun activity archive for March 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

Sun activity archive for February 2026

Sun activity archive for February 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

Severe geomagnetic storm! What happened to the auroras?

A powerful blast from the sun triggered a severe geomagnetic storm on the night of January 19, but the auroras weren't as dazzling as hoped. Here's why.

Sun activity archive for January 2026

Sun activity archive for January 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.