We Crossed the Equinox September 22nd
The fall equinox (spring equinox for the Southern Hemisphere) comes on September 22, 2016, at 4:02 p.m. Eastern Daylight Time (20:02 UT).
A Harvest Moon Penumbral Eclipse
Skywatchers in the Eastern Hemisphere will see tonight's full moon skirt through Earth's dusky outer shadow.
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.
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.
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.
Two Planet Pairs Perform at Dusk
As twilight fades for the rest of August, follow two planetary groupings happening at dusk in different parts of the sky.
Yes, the Perseids Did Quite Nicely!
Many observers who had a dark, starry sky late last night (Aug. 11-12, 2016) were rewarded with an especially rich Perseid meteor shower. And it's probably not over yet.
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.
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.
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.
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.
Delta Aquariids Kick Off Summer Meteor Showers
The meteors are coming! Three annual meteor showers are already active and guaranteed to spark up your summer nights.
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.
Solstice Brings Late Nights, Bright Sights
Celebrate the June 20th solstice, when the Sun and the full Strawberry Moon combine their powers to illuminate both day and night.
Dual Supernovae Light Up June Nights
Supernovae are popping up everywhere! Two stars flamed out millions of years ago and at least one is an easy catch right now in amateur telescopes.
Tour June's Sky: Three Planets at Nightfall
Sky & Telescope's astronomy podcast takes you on a guided tour of the night sky. After the Sun sinks from view, enjoy watching Mars and Saturn near Scorpius in the southeast and Jupiter near Leo well up in the southwest.
Saturn's Splendid Summer Show
It's showtime for the King of the Rings! Time to get your telescope out to see and share Saturn, which comes to opposition this week.
Amateur Astro-imagers Get Ready for Juno
Planetary scientists are counting on amateur observations to enhance the results from NASA's forthcoming Juno mission.
Watch the International Space Station Marathon
The orbiting science laboratory begins a series of marathon passes this week that favor the northern hemisphere.
Follow Mars to His Double Star Lair
Let Mars be your guide to no fewer than 15 diverse and delightful double stars that pepper its path through Scorpius and Libra this opposition season.
