Welcome to Atheist Nexus and the world of rational sense. We encourage you to join good groups, read the discussions and contribute if and when you want.
Terry Meaden (also 60+, academic, retired professor)
of the active group "ORIGINS: Universe, Life, Humankind, religion, Darwin..."
This busy group has fine discussion, good writing, about 100 science video clips including 10 recent Stanford University lectures on evolution. It seeks to understand the mysteries of the universe and how life and everything began.