Three in a Row Show

Observing

Enjoy Orion in Shirtsleeves

Throw open the door and welcome back Orion at dawn. The Hunter's return brings relief from the heat and gives us a fresh shot at exploring untouched winter deep-sky objects in comfort.

Early September evening sky_fi

Sky Tour Astronomy Podcast

Tour September's Sky: Mars, Saturn & Venus

Early evening features Mars and Saturn toward south, but keep an eye out for brilliant Venus climbing up from the west during twilight.

Track of Sept 1 annular eclipse f

Observing

Thursday's Annular Solar Eclipse

The Sun's second coverup of the year will be an annular solar eclipse whose path crosses south-central Africa and northern Madagascar on September 1st.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, August 26 – September 3

Venus-Jupiter conjunction on Saturday: about 20 minutes after sunset, look above the western horizon, left of where the Sun went down. Bring binoculars.

New Planetary Nebula in the Making

Observing

Polarized Light: From Blue Sky to Egg Nebula

Bees see polarized light and use it to navigate to honey. Learn how you can use it to crack the Egg Nebula.

Total solar eclipse in 2010

Observing

2017's Total Solar Eclipse: One Year to Go!

It's still a full year away, but next year's coast-to-coast solar eclipse is already a big deal with astronomers worldwide.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, August 19 – 27

Summer is on the decline, temperatures notwithstanding: when darkness falls, Cassiopeia has now risen as high in the northeast as the Big Dipper has sunk in the northwest.

Cast of Sparkling Characters

Observing

Palling Around With Palomar Globular Clusters

The intriguing Palomar globular clusters will challenge observers with modest to large telescopes, while providing a satisfying ramble around the galactic halo.

AR Scorpii: white dwarf and red dwarf binary

Stargazer's Corner: Adventures Under the Night Sky

Amateurs Help Discover Pulsing White Dwarf

Amateur astronomers worked together with the pros in the discovery of the pulsing white dwarf in the variable system known as AR Scorpii. Hear from Josch Hambsch, one of the amateurs on the team, on what it was like to take part.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, August 12 – 20

This Friday, look lower right of the waxing gibbous Moon for the ever-changing Saturn-Mars-Antares triangle. Full Moon on Wednesday night.

RV park under the stars

Observing

Dark-Sky RV Parks in the U.S.

Watching the Perseids from an RV park? Find campgrounds with dark skies that are ideal for observing meteor showers and other celestial sights.

Bright Star An Ancient Link

Observing

A Real Scorcher! — Sirius At Heliacal Rising

Make a connection to a time when stars were used to track seasons and predict natural events by watching the heliacal rising of Sirius.

Radiant of the Perseid meteor shower

Observing

Will You See a Bumper Crop of Perseid Meteors?

After the Moon sets on August 11–12, the Perseid meteor shower could be unusually rich.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, August 5 – 13

The crescent Moon poses with Jupiter low in the west in twilight Friday. Early next week, Mars passes 0.9° beneath Delta Scorpii, the brightest star in the head of Scorpius.

Observing

Comet 29P/Schwassmann-Wachmann 1 Blows Its Top . . . Again!

An otherwise faint and distant periodic comet underwent a bright outburst at the end of last month. Now it's visible in amateur telescopes at nightfall.

Perseid meteor

Observing

How to Photograph a Meteor Shower: Capturing the Perseids

Learn how to photograph a meteor shower with these step-by-step instructions, as well as advice for the advanced imager.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, July 29 – August 6

As summer goes on, Scorpius shifts westward from its high southern stance just after dark; Sagittarius moves in from the east. Prime time for Messier objects!

Mars-Saturn-Antares in August

Sky Tour Astronomy Podcast

Tour August's Sky: Planets Aplenty

Download or play Sky & Telescope's astronomy podcast, and you'll get a guided tour of the night sky. In early evening look for Mars and Saturn embedded in Scorpius toward south, and key an eye out for Perseid meteors.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, July 22 – 30

Starry Scorpius is sometimes called "the Orion of Summer" for its brightness, its blue-giant stars, and its 1st-magnitude red supergiant (Antares).

Visibility zones for Two Occultations

Occultations

See Two Tricky Occultations — Neptune and Lambda (λ) Aqr

Now you see 'em, now you don't. Watch the Moon occult Neptune and nearby Lambda Aquarii on the same night.