Back to Article List Michael’s Miscellany: 25 Questions About Astronomy Test your knowledge with this short quiz about the cosmos.

At incredibly small scales, the universe operates according to the unfamiliar rules of quantum mechanics. And Planck’s constant is in charge.

Astronomers at Leiden University have detected rare isotopes of carbon and oxygen in our neighboring stars for the first time ...

My astronomy books are packed, as are many of our belongings. In a few days, I will lose Internet access. We are going through that particularly difficult move: "The Downsize". Then will come the ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a measure of distance ...

This week's Junior Forecaster, Nathan, loves all things space. His favorite subjects in school are astronomy and space, ...

Paul Levesque Popular Astronomy Club Jul 14, 2025 Updated Aug 10, 2025 0 ...