Features

Candles to Light the Night

The brilliant light of faraway objects is providing astronomers with better yardsticks for measuring the universe.

The Moon Comes into Focus

America’s latest space probe, the Defense Department’s Clementine, has completed mapping the Moon. Here’s the best of what it saw.

Stellar Oddballs

Discover Epsilon Aurigae, SS 433, and the Black Widow pulsar – three of the oddest stars our Galaxy has to offer.

Sky Almanac

Break out your telescope for the best view of Saturn all year.

Probing the Aristarchus Area

A young, bright crater and an ancient riverbed that once carried molten lava rub shoulders in this volcanically transformed lunar region.

Beating Back the Guiding Gremlins

Tired of sausage-shaped stars on your astrophotos? This primer on the pitfalls of guided photography may be just what you need.

Seeing & Believing

Meet Don Parker, one of the pre-eminent planetary observers and photographers in America.

Annulus Americanus

Clear skies embraced most of the country on May 10, providing great views of a spectacular annular eclipse.

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