After struggling for sometime, the Foundation for the Study of Cycles is
now operating properly again, and its Forum is also restarted. Please
consider posting your cycles related topics here.
There are subsections for each branch of science including astronomy and
cosmology. Of course astronomy is the original branch of science where
cycles were discovered, and it is full of cycles: variable stars,
planetary motions, binary stars etc etc.
One popular area of cycles study is the sunspot cycle(s), with the main
11 year cycle being neither like clockwork nor random. There are other
longer and shorter cycles which play their part in climate and weather
Foundation for the Study of Cycles