2016

The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level.

2024 Solar Eclipse, Observing, Science, The Sun, Upcoming Events

Why does the April 8 eclipse path take a stranger path than 2017?

How we discovered Planet Nine

Orion’s sword

Celebrate with Charles

Stellar rhythm

Astrophotography

Memory hooks

Observing, Planets

Venus blazes after sunset

Observing, The Sun

The Sun’s crystal horns

How do professional observatories deal with dew? Do they heat the mirrors and lenses like amateurs do?

In many articles in your magazine, you refer to regions of the sky as being measured in “square degrees.” How exactly is a square degree defined, and how many of them does the sky contain?

Even with some understanding of infinite density, it seems impossible for the enormous mass of the universe to arise from a subatomic particle. How is this possible?

When using astronomy software or astronomy books and atlases, I notice that not everyone draws the constellations the same way. Why?