Your Guide to the Universe

Current Issue: September/October 2017

Cassini’s mission to Saturn is coming to an end in September, and we have an overview of what it has uncovered about the planet, its beautiful rings, and its retinue of dozens of moons, including massive and mysterious Titan. We also fill you in on efforts to preserve sites and facilities on Earth and throughout the solar system that were involved in humanity's exploration of the cosmos.

In Every Issue

• Skywatching highlights and star charts to help you keep tabs on the sky
• Merlin answers your most compelling questions about the universe
• The latest astronomy news
• A grab-bag of items about everything from travel to books to the latest astronomy web sites and apps

Download a sample issue (PDF)

In the Next Issue

In our next issue, we will celebrate the 50th anniversary of the discovery of pulsars with an update on pulsar science. We’ll also bring you an in-depth look at 30 Doradus, a complex site of star formation in the Large Magellanic Cloud.

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2017 Sky Almanac

The 2017 Sky Almanac provides month-by-month skywatching tips for the entire year, and focuses on astronomical objects and events as depicted in popular culture. More information »