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...
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.
iOptron’s chief engineer Kevin Zou takes Sky & Telescope on a tour of the company’s extensive line of telescope mounts and camera tracking platforms.
Sky Watcher product specialist Kevin LeGore gives an overview of the company’s latest offering of telescopes.
Learn the history of Software Bisque, from its introduction of TheSky planetarium software in the 1980s to its evolution of state-of-the-art robotic telescope mounts.
Thanks to NASA's New Horizons spacecraft, we're about to see Pluto up close for the first time. Here are candid snapshots of the scientists and engineers who'll make it possible.
So when astrologers talk about tides linking us to the planets, they're babbling pathetic woo.
The June 2015 issue of Sky & Telescope celebrates Hubble's legacy, explores the science of Jules Verne's fiction, and offers a Sun-photography project that anyone can do.
Experience Herschel’s “Night of Discovery” for yourself! Follow this guide to recreating William Herschel's amazing night covering 73 deep-sky delights.
Fight to save dark skies, find a hidden agenda in craters on the Moon, learn how century-old plates are enabling new science, and more in the May 2015 issue of Sky & Telescope.
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.
What's it like to fly on SOFIA — a repurposed Boeing 747 with a huge rectangular hole in its side and a state-of-the-art telescope peering out through it?
Learn how Dennis di Cicco modified a LightBridge Dobsonian reflector to use Tele Vue's new Paracorr coma corrector - and take some spellbinding images!
April is the month when heading out at night gets a little less chilly and a lot more fun, so it's the perfect month for some sky pilgrimages.
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...
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...
Spotted a goof in the magazine? Check here for a list of known errata in 2015 issues of Sky & Telescope. If you don't see the error you found, send us an e-mail and alert us.
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...
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.
Calendars help us plan our lives. And for amateur astronomers, no plan is complete unless it includes sky events.
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.