Even if the specific monthly peak of the cycle has passed, it doesn't mean solar activity is over. Strong solar activity ...

The 11-year solar cycle is tracked by NASA, learn how they do it. Credit: NASA Goddard Space Flight Center Canadian Prime Minister Mark Carney calls for snap election amid trade war with U.S. 13 ...

For solar science purposes, this was designated the year that Solar Cycle 1 started. Cycles of sunspots for the last 400 years. The earliest data is estimated from geological and tree-ring records.