Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

I don’t know if our life has a purpose and I don’t see that it matters. What does matter is that we’re a part.” While most of us go about our days, immersed in the minutia our lives, we remain very ...

I started teaching in 1977, and across my nearly 50 years, I noticed that students were always interested in the history of ...