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Eclipse map

Celestial Objects to Observe

2024 Total Solar Eclipse: 25 Events, Festivals, and Places to Stay

Some ideas for those who still need a place to go on April 8, 2024, to see the total solar eclipse.

Moon passing Spica at dusk, Aug 9-21, 2023

Celestial News & Events

This Week's Sky at a Glance, August 18 – 27

The waxing Moon passes Spica and then will occult Antares for much of North America. Saturn reaches opposition this week. The Andromegasus Dipper scoops up as summer wanes.

Diagram of Moon-Earth orbit

Night Sky Sights

How Rare Is a Solar Eclipse?

There are two solar eclipses every year — so why are they so rare?

2016 Perseids

Celestial News & Events

Get Ready for a Great Perseid Meteor Shower

The Perseids are here! With no Moon to spoil the show it's time to break out the lawn chairs, sit back, and watch the comet dust fly.

The Moon with Jupiter and the Pleiades, dawn of Aug 8 and 9, 2023

Celestial News & Events

This Week's Sky at a Glance, August 4 – 13

We're approaching the peak of the Perseid meteors. Vega claims the zenith as the Teapot claims the south. In twilight, Mars has a friendly but not very intimate date with Mercury.

Moon and Saturn Aug 29-30 2023

Sky Tour Astronomy Podcast

August Podcast: Blue Moon and Perfect Perseids

Many skywatchers look forward to seeing the Perseid meteors every August, and this month’s Sky Tour episode why they’ll be especially good this year. You’ll also learn what's so special about the full Moon that falls on the night of August 30–31.

Eclipses

Eclipse Apps, Books, Videos: Resources for the 2024 Total Solar Eclipse

Find some of our favorite resources for the April 8, 2024, solar eclipse, including apps, video explainers, children's activities, and books.

Saturn and Moon at dawn, Aug. 3, 2023

Celestial News & Events

This Week's Sky at a Glance, July 28 – August 6

Venus turns super-interesting and then disappears. Mercury lingers behind it in twilight. So does little Mars in third place. On the other side of the sky, the Moon passes Saturn.

12P/Pons-Brooks evolution

Explore the Night with Bob King

See Comet 12P/Pons-Brooks in Outburst!

Comet Pons-Brooks, a dim comet on its way to a great apparition next spring, suddenly sprang into action overnight, brightening by five magnitudes. Now you can see it in a 4-inch telescope.

Waxing Moon passing Gamma Virginis (Porrima) and Spica, July 23-24, 2023

Celestial News & Events

This Week's Sky at a Glance, July 21 – 30

Low in twilight, Mercury consorts with Venus and squeaks by Regulus. The waxing gibbous Moon does what it does every July: crosses Scorpius and Sagittarius.

Waxing crescent Moon passing Mercury, Venus, Mars; July 18-20, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, July 14 – 23

Venus, Mercury, and Mars, very unequal, gather low in the western twilight with the crescent Moon stepping over them and Regulus in their midst. And do you know which way the Kite of Boötes bends?

Nova Persei expansion

Explore the Night with Bob King

Time-lapse Animations Reveal a Universe in Transformation

Deep-sky objects may appear static throughout our lifetime but by carefully "blinking" archival and current images we can discern real changes in their appearance.

Mars and Regulus in conjunction near Venus, July 19, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, July 7 – 16

Mars meets Regulus while Venus looks on. Scorpius comes to its July height — bearing its double stars, Cat's Eyes, and Little Cat's Eyes. And keep a lookout for noctilucent clouds at the end of dusk.

Ophiuchus and Scorpius

Sky Tour Astronomy Podcast

July: Scorpion & Serpent Handler

Count on our monthly Sky Tour podcast to help you get the most out your casual stargazing. It’s a fun and informative way to introduce yourself to the nighttime sky!

Venus, Mars and Regulus at dusk, June 30, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, June 30 – July 9

Full Moon in the Teapot. Are the colors of brights easier to discern in moonlight? Twilight? Mars closes in on Regulus as Venus watches. And the supernova in the Pinwheel Galaxy is still 12th magnitude.

Captured globulars

Explore the Night with Bob King

See Summer's Best “Gobbled” Globulars

Mergers between the Milky Way and long-ago dwarf galaxies have enriched our skies with dozens of iconic globular clusters. Many are visible in small telescopes.

Moon passing Spica, June 26-27, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, June 23 – July 3

Venus almost meets Mars in the western twilight, then runs away. Vega and Arcturus become equally balanced across the zenith. Down from Vega hangs the Summer Triangle.

Moon passing Venus, Mars, and Regulus, June 21-23, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, June 16 – 25

Venus and Mars are getting closer together in the western dusk. And why does Mars always turn so puny when it approaches Venus? The "Betelgeuse of Summer" is up, and the Little Dipper stands on end.

Smoky sun

Explore the Night with Bob King

Eking Out Observing from under Wildfire Smoke

Smoke from Canadian wildfires has made observing the night sky a challenge for many. Here are some ways you can make the best of a bad situation.

This Week's Sky At a Glance

This Week's Sky at a Glance, June 9 – 18

Now it's Venus's turn to pass the Beehive, with Leo looming over. The Summer Triangle lofts high. And the supernova in M101, near the Big Dipper, remains 11th magnitude.