1421–1440 of 2,477 results
Looking through a telescope at a star party

Observing

Astronomy Day + International Observe the Moon Night = Weekend of Fun

Look to your local astronomy club for a day and night of observing activities for Fall Astronomy Day and International Observe the Moon Night.

This Week's Sky At a Glance

This Week's Sky at a Glance, September 18 – 26

Daily sky events among the ever-changing Moon, planets, stars and constellations, from Sky & Telescope magazine.

Binocular basics

Observing

Watch Andromeda Galaxy Blossom in Binoculars

How much can you see of the Andromeda Galaxy system with just a pair of binoculars? Turns out a lot!

This Week's Sky At a Glance

This Week's Sky at a Glance, September 11 – 19

Daily sky events among the ever-changing Moon, planets, stars and constellations, from Sky & Telescope magazine.

Path of September 2015's partial solar eclipse

Observing

September 13th's Partial Solar Eclipse

Residents of southern Africa get to watch the Moon cover part of the Sun not long after (or during) sunrise on Sunday, September 13th.

Simply magnificent!

Observing

How to See the Farthest Thing You Can See in the Night Sky

Step by step, we explore the farthest things visible with the naked eye, from the most distant star to the hinterlands of the Andromeda Galaxy

This Week's Sky At a Glance

This Week's Sky at a Glance, September 4 – 12

Daily sky events among the ever-changing Moon, planets, stars and constellations, from Sky & Telescope magazine.

Gaia14aae, artist's conception

Observing

Violent Lights For September Nights

Find out how two closely-orbiting stellar pairs create fireworks you can see in your own backyard telescope.

Before dawn in September 2015

Sky Tour Astronomy Podcast

Tour September's Sky: A Lunar Eclipse!

This month's stargazing features pretty planetary treats in the eastern sky before dawn — and the last total lunar eclipse visible until 2018.

This Week's Sky At a Glance

This Week's Sky at a Glance, August 28 – September 5

Daily sky events among the ever-changing Moon, planets, stars and constellations, from Sky & Telescope magazine.

Worlds of gas and ice

Observing

Neptune And Its Maverick Moon Triton

Neptune reaches opposition next week, giving amateurs the chance to track its unique, backwards-orbiting moon Triton.

This Week's Sky At a Glance

This Week's Sky at a Glance, August 21 – 29

Daily sky events among the ever-changing Moon, stars and planets, from Sky & Telescope magazine.

Gift at day's end

Observing

Tiptoe Into The Twilight Zone

Twilight. Gloaming. Dusk. Blue Hour — all names for that colorful and contemplative time between day and night. We explore twilight's brief but fascinating sights and learn why it gets shorter as summer turns to fall. Twilight takes us gently into that good night. I wouldn't mind spending time on the Moon, but I'd miss…

This Week's Sky At a Glance

This Week's Sky at a Glance, August 14 – 22

Daily sky events among the ever-changing Moon, planets and stars, from Sky & Telescope magazine.

Comet 67P/C-G

Celestial Objects to Observe

Rosetta's Comet Beckons At Dawn

Northern hemisphere observers have this month and next to get their best look at Rosetta's comet, 67P/Churyumov-Gerasimenko.

This Week's Sky At a Glance

This Week's Sky at a Glance, August 7 – 15

Daily sky events among the ever-changing Moon, planets and stars, from Sky & Telescope magazine.

Celestial Objects to Observe

Let's Get Serious About Ceres

We pay a visit to Ceres, now the apple of the Dawn Mission's eye, as it creeps through Sagittarius this month

This Week's Sky At a Glance

This Week's Sky at a Glance, July 31 – August 8

Daily sky events among the ever-changing Moon, planets and stars, from Sky & Telescope magazine.

Sky Tour Astronomy Podcast

Tour August's Sky: Saturn & Scorpius

If you want to do some casual stargazing this month, you'll get great views of Scorpius and Saturn in the south — and the impressive Perseid meteor shower.

Old rock sprinkled atop new

Observing

Rayed Craters on the Moon

Like "catching some rays"? Explore the beauty and dazzle of crater rays, the tracks left by powerful impacts in the not-so-distant past.