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.

Gottlieb KTG

Isolated Triplets of Galaxies

S&T contributor Steve Gottlieb has made available data distilled from the Karanchentseva catalogue and his own observations to assist you in your observations of isolated triplets of galaxies.


Inside the March 2015 Issue

PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | DOWNLOAD BACK ISSUES | SUBSCRIBE Beyond the Edge Spiral galaxies stun the viewer, yet they have even more visual power when serendipitously aligned to our line of sight. Ted Forte leads a tour of a variety of edge-on galaxies in March's cover story. Peering beyond the...


How to Use the WorldWide Telescope

The WorldWide Telescope (WWT), featured in the April 2015 issue of Sky & Telescope, isn't just another piece of planetarium software. Its incredible breadth and depth of data allow users to explore the universe in an interactive way. Coauthors Curtis Wong (Microsoft Research) and Alyssa Goodman (Harvard University and Harvard-Smithsonian Center for Astrophysics) teamed...


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...