How many details can you see when you take a look at galaxies M81 and M82? On October 13, 2015, Contributing Editor Howard Banich experienced a spectacular morning of observing at Steens Mountain in southeastern Oregon. With fantastic transparency and increasingly good seeing, he was able to view M82 as he'd never seen it before.…
To expand on the feature article on adaptive optics in our May 2016 issue, we're including here a full gallery of before-and-after images. The effect of the technology is immediately visible - and astounding.
PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | PURCHASE BACK ISSUES | SUBSCRIBE Jupiter's Incredible Shrinking Spot As Jupiter approaches opposition on March 8, 2016, there's plenty to look for in the king of planets. Our monthly columns highlight moon events, bands, spots, and far more. Among all of Jupiter's splendors, the Big Red Spot…
Ancient cosmic sound waves (aka baryon acoustic oscillations) shaped the universe we see today. These animations demonstrate how the universe's large-scale structure came to be.
Peer deep inside the center of the Milky Way with the February 2016 issue of Sky & Telescope. Plus, find new observing targets for cold winter nights in the celestial arctic.
Get a jump on planning for the total solar eclipse of 2017 that will span the United States with our January 2016 issue. Plan for weather, and maybe even get involved in some amateur science!
Read on to find out what's new in the Jumbo edition of our popular Pocket Sky Atlas.
Check here for a list of known errata in 2016 issues of Sky & Telescope. If you don't see the error you found, send us an e-mail and alert us.
On a single night at a remote site, Contributing Editor Steve Gottlieb observed 35 circumpolar galaxies. Here we're providing a complete list of those 35 galaxies,
Astronomers dedicated significant time and resources to studying the planets as deep-space exploration ramped up in the late 1960s and early 1970s.
PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | PURCHASE BACK ISSUES | SUBSCRIBE Special Issue: 100 Years of General Relativity A century after Einstein published his theory of general relativity, this special issue looks back at how the theory revolutionized astronomy. We also look forward to see how astronomy can continue to break new ground:…
Take advantage of early evenings and dark winter skies — turn your scope southward to view some of the most massive objects in the universe.
Read on for an entertaining (and true) story on the Soviets, the morals of society, and astronomy.
PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | PURCHASE BACK ISSUES | SUBSCRIBE From the Sun to Pluto: A Closer Look at Our Solar System Our November issue takes us on a tour across the solar system. First stop: the Sun, where we see flares that pack as much energy as they do mystery. But…
As part of our December 2015 issue’s articles on general relativity and gravitational waves, we’ve compiled some videos to help you grasp both.
Read our October issue to learn how massive stars form, whether we'll ever see an Earth-like exoplanet, and when and where to spot the Draconid meteors.
The cover story of the October 2015 issue features the conundrum of massive star formation: how do these stars can form at all in the hostile environment they themselves create? Here, you'll find accompanying videos.
An observing guide for the Pegasus Galaxy Groups
Some additional finder aids for "Going Deep" in Delphinus.
What is a solar flare? Flares are spikes in emission from the Sun, energy unleashed (we’re fairly sure) when magnetic field lines suddenly reconnect. Read more about them and watch fascinating videos in this online extra to our November 2015 cover story.
PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | PURCHASE BACK ISSUES | SUBSCRIBE Unraveling Astronomical Mysteries Under the Harvest Moon The red light of a harvest Moon sets the perfect mood for unraveling astronomical mysteries. (And of course, read all about where and when to see the eclipse in this issue.) S&T Science Editor Camille…
Cozy up to the stars tonight with Sky & Telescope's new fleece jacket. The black fleece's inner and outer pockets will keep both hands and eyepieces warm.
Peek inside the August 2015 issue of Sky & Telescope for a special focus on the crisis facing U.S. astronomy, an investigation of the famous VJ Day kiss, and more.
For a sneak-peek at what New Horizons will see during its impending Pluto flyby, check out Sky & Telescope's July 2015 issue. Plus, see Pluto from your own backyard!
Watch in-depth conversations between Dennis di Cicco and astronomy vendors to find full details on hot new products and featured equipment.