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Field Guides
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Featured story · Field Guide
Every major meteor shower in 2026 — peak dates, expected rates, moon interference, and viewing tips. From the Quadrantids to the Geminids, here's when to look up.
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Advice and News
The universe has a hidden layer broadcasting in radio waves. Dead stars pulse like lighthouses, the Milky Way glows with synchrotron radiation, and the oldest signal in existence hums in every direction.
Advice and News
In 1965, two engineers heard a hiss they couldn't explain. It was the oldest light in the universe — and the tiny ripples in it became every galaxy, star, and planet that exists.
Deep Dives
There should be thousands of advanced civilizations in our galaxy. The math says so. We've found nothing. Robin Hanson called it the Great Filter — a wall almost nothing gets past.
Deep Dives
Webb found galaxies in the early universe that shouldn't exist yet. Here's what the 'too many too early' problem means for cosmology.
Observatory Watch
The Vera C. Rubin Observatory will transform amateur astronomy. Here's how citizen scientists can tap into the LSST alert stream.
Field Guides
Find five easy binocular star clusters, including the Pleiades, M41, M35, M37, and M7, with simple directions and seasonal viewing tips.
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