PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | PURCHASE BACK ISSUES | SUBSCRIBE Shedding Light on Pluto, Finding Life on Mars New Horizons' flight past Pluto last year revealed a stunning world we couldn't have dreamed up — now scientists are sifting through the data, trying to make sense of this frozen wonderland. A little…
Capture stunning nightscapes with expert advice from Babak Tafreshi - join our live webinar on Monday, August 22nd.
The next cool project to try with your telescope and/or camera: amateur spectroscopy. Learn how in our live webinar with S&T contributing editor Tom Field.
Iceland is a country full of fascinating contradictions, none so mysterious as its aurora. Come explore with Sky & Telescope in October 2016!
The minute distortions of weak gravitational lensing may hold the key to dark matter and dark energy, Big Data promises — and threatens — to overrun astronomy, and videography just got a whole lot easier.
New research on Eta Carinae featured in S&T's October 2016 issue lets you peer in and around Eta Carinae's Homunculus Nebula.
Join Sky & Telescope Observing Editor JR Johnson-Roehr in Iceland and see the aurora borealis.
As August rolls around, it will soon be time for the yearly show of the Perseid meteor shower. And this year the show could be even better than usual, maybe even spectacular. Pick up the issue to find out why
Here's an update on an amateur astronomer's amazing effort to prove that Einstein really was right during next year's total solar eclipse.
Sky & Telescope's July issue reveals the mysteries of Fast Radio Bursts, previews Juno's mission to Jupiter, explores the depths of Aquila's nebulae, and much more.
Have you ever seen the aurora borealis? Want to join us? Read on for more information on our next trip to Iceland to see the Northern Lights!
A handy S&T field kit and access to iTelescope.Net are just two great benefits of membership.
Looking for an observing challenge? An expert observer offers advice for exploring the Minkowski catalog of planetary nebulae.
To aid your observing endeavor, Contributing Editor Steve Gottlieb has provided an expanded table of galaxies, with their position angles, visual magnitudes, size, and positions.
Here is Jim Mullaney's much longer sample of objects from this delightful 1927 amateur-astronomy guide, in order of right ascension, followed by more illustrations of the book.
Watch a million stars age in these prize-winning simulations of globular clusters. The simulations track the stars' movements and evolution over 12 billion years.
Join Sky & Telescope Observing Editor JR Johnson-Roehr for our fourth annual trip to Iceland to see the northern lights.
Is red light the best for night? What are Trojan asteroids, and does Earth have such a companion? How can you spot the moons of Mars? The June issue answers these questions and many more.
This coming October 2-8, 2016, in concert with Spears Travel, S&T will run its 4th annual trip to Iceland to witness the famed northern lights. For details, see the full itinerary. If you’re already set to book it, do so here. When I joined Sky & Telescope's 3rd annual trip to Iceland last October, I…
Learn the ancient stories behind the constellations and find out what the future holds for adaptive optics. Plus, see Mercury cross the Sun on May 9th!
Here's some further reading on the stages of star formation visible in the Trifid Nebula, subject of the May 2016 issue's Going Deep column.
PURCHASE PRINT ISSUE | PURCHASE DIGITAL ISSUE | PURCHASE BACK ISSUES | SUBSCRIBE Our Mysterious Moon, Galaxies Galore, and Maximal Mars A familiar face greets us at every full Moon, but the far side we never see reveals just how much we don't know. At the dawn of the Space Age, our celestial neighbor showed…
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…