A written course in deep-sky astrophotography aimed at city photographers, with updates on course modules and practical diagnostic essays. Readers get troubleshooting guidance, target-selection advice for light-polluted skies, and transparent notes on course changes.

A personal technical blog covering software engineering, computer vision performance optimization, and a hobbyist's journey into astrophotography. Posts mix detailed engineering write-ups, including C++ design and benchmarks, with first-person accounts of amateur astronomy.

Astrophysicist Ethan Siegel explains cosmology, astrophysics and space missions in long-form essays and an 'Ask Ethan' reader Q&A series. Each issue unpacks questions like dark matter's nature, Martian moon origins, and the Hubble constant in accessible but technically grounded prose.

Long-form articles on the history of astronomy and physics, and on overlooked episodes of American history, often built around a single puzzle or primary-source question. Readers get carefully sourced narratives with image credits and attention to what is and isn't known.