Sky & Telescope Magazine

Take a peek inside the issues of Sky & Telescope magazine and explore the digital extras that accompany our columns and feature articles. Come see what’s in the latest issue, and if you like what you see, subscribe!

Sky & Telescope is the essential guide to astronomy, showcasing each month a wide array of celestial events and astronomy news. Our online table of contents give you an overview of what each issue offers: the magic of the night sky, groundbreaking astronomy research, visual observing challenges, and astrophotography advice. Many of our articles are enhanced with “beyond the printed page” extras, including movies, simulations, and image galleries, and you’ll find those here as well.


App-Powered Astronomy

In our March 2015 issue, we ask noted amateur and professional astronomers to highlight the astronomy apps they use most. These are apps that every astronomer should have in their back pocket, ranging from practical planetarium and weather apps, such as Scope Nights and Sky Safari 4, to science guides, such as Exoplanet and...


Inside the February 2015 Issue

Challenge yourself to observe the solar system's minor moons, find out how the science of nothing is teaching us the fate of the universe, and discover how astronomy influenced the work of H. P. Lovecraft in the February 2015 issue of Sky & Telescope.


Flying Through Cosmic Voids

In the February 2015 issue of Sky & Telescope, author Marcus Woo walks readers through the science of cosmic voids. Here, videos demonstrate a sense of cosmic perspective, taking the reader on flights through the universe both theoretical and observed.


Inside the January 2015 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE Big Scopes, Hot Products, & Observing Treats We live in the age of Big Astronomy, where it seems every new telescope is bigger, and supposedly better than the last. But January's cover story issues a cautionary tale. Contributing editor Robert Zimmerman...

Default entry screen for NASA JPL HORIZONS Web-Interface.

Generating an Ephemeris

Terry N. Trees show us how to create an ephemeris, a table showing a celestial object's calculated positions for a given time period, using JPL HORIZONS data.


Inside the December 2014 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE Dark Oceans and Into Thin Air: Oh The Places Astronomers Go As seen within Earth's abyssal oceans, sunlight isn't a requirement for life. Turns out the solar system contains multiple potential locations where distinct alien lifeforms might flourish. Caleb Scharf, astronomer, astrobiologist, and author of our December...

Mutual Events of Jupiter’s Satellites in 2014–15

A full season of mutual events for Jupiter's four largest satellites As Jupiter shines brightly down from the sky during its 2014–2015 apparition, quite often Jupiter's four big Galilean moons will occult and cast their shadows on each other. A "mutual events season" like this happens about every 6 years, when Earth and Sun...

Planck temperature map of universe

What’s Next for Inflation Cosmology – New Updates

Our July 2014 cover story was the apparent discovery of gravitational waves from the instant of inflation when the Big Bang took shape. Just as the article was printed, a serious challenge to the discovery appeared: the researchers had underestimated the amount of interstellar dust that could be contaminating their data. Here are more...


Inside the November 2014 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE Solar Eclipses and the Shrouds of Dead Stars Planetary nebulae are some of the most marvelous observing sights in the night sky. But what creates their strange, varied shapes? Contributing editor Robert Zimmerman explores the still-mysterious origins of these gaseous sculptures...


Inside the October 2014 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE Sizing Up Galactic Titans The Milky Way and Andromeda galaxies dominate the small neighborhood of galaxies they live in, a cluster called the Local Group. But how do they stack up with each other? Astronomer Michael Rich takes us on a...


Inside the September 2014 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE Martian Mysteries and Reliving History How did Mars lose its rich atmosphere and planet-wide magnetic field? Our cover story, written by S&T assistant editor Camille M. Carlisle, previews NASA's Maven mission, due to arrive at the Red Planet in late September...


Inside the August 2014 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE Chasing Comets, Toddlers, and a Beautiful Conjunction Europe's Rosetta mission is currently in hot pursuit of Comet 67P/ Churyumov-Gerasimenko, set for an August rendezvous. Our cover story goes behind the scenes with the science team to see what the spacecraft can...


Inside the July 2014 Issue

The latest observations of swirls in the cosmic microwave background have validated the leading theory of how the cosmos came to be. Read our coverage to find out how this affects our understanding of the universe. Plus, get a heads up for two close conjunctions in early July as Mars and Saturn approach the...


Inside the June 2014 Issue

Looking back to cosmic dawn became possible with the advent of Hubble Space Telescope's 600-hour observing project - enjoy the ride as one of humanity's finest telescopes travels through time to learn about galaxy formation in the early universe. Let Hubble's journey serve as your inspiration for projects you can take on from your...

High-redshift galaxy

An Image Gallery of the Cosmic Dawn

In the cover story of the June 2014 issue of Sky & Telescope, a team of scientists uses the Hubble Space Telescope to look back through cosmic time to the dawn of the universe, back to the time when galaxies were just beginning to form. With hundreds of hours of observing time on one...


Inside the May 2014 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE Storm warning! Get the latest on the new meteor storm predicted to hit Earth's skies on May 24th, and learn about the even weirder weather developing on alien worlds beyond the solar system. Also catch up on techniques to observe Saturn...


Inside the April 2014 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE FEATURED ARTICLES ISON's Day in the Sun Maybe it wasn't the public's Comet of the Century, but for author Karl Battams, it was his Comet of the Century. By Karl Battams Photo Contest Winners By Staff of Sky & Telescope Mystery in the...

Art of Sylvia 87 and two moons

The asteroid occultation of July 19, 2014

As told in the July 2014 Sky & Telescope, on the morning of July 19th an 8.7-magnitude star in Pisces will vanish for up to 4 seconds behind the invisibly faint asteroid 611 Valeria, as seen from a track crossing northern Mexico, Texas, the Deep South including the Atlanta area, and the Carolinas. The...


Cosmos Reborn

Beginning Sunday evening, March 9th, Cosmos: A SpaceTime Odyssey will air on the Fox television network, the rebirth of Carl Sagan's classic Cosmos. In the cover story of our April 2014 issue, contributing editor J. Kelly Beatty reveals a behind-the-scenes look at the new series. (All of the images here are courtesy of Fox...