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Night Sky Sights

Meet Shaula: The Scorpion’s Triple-Pronged Stinger

Meet Shaula, the bright star on the Scorpion's tail. It's a challenge for northern observers, but easy to find if it clears the horizon!

Crescent Moon under Castor and Pollux, June 7-8, 2024

Celestial News & Events

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

The waxing Moon reenters the sky as an evening crescent. Pollux and Castor keep it company. The Big Dipper hangs straight down. And can you still catch wintry Capella? The colder your latitude the better your chance.

Comet 13P/Olbers

Explore the Night with Bob King

Comet 13P/Olbers Juices Up June Skies

June brings heat and bugs but also a moderately bright, early-evening comet that returns every 69 years.

Ophiuchus the Serprent Holder

Sky Tour Astronomy Podcast

June Podcast: Spotting the Serpent Charmer

Listen to this tour of the stars and planets that you’ll see overhead during June. Learn how to spot three planets before dawn, and to track down a snake-handler in the early summer sky. Grab your curiosity, and come along on this month’s Sky Tour.

Big Dipper with the stars labeled with the years the light we see in 2024 left them. (Image: IAU/ Arya Anthony)

This Week's Sky At a Glance

This Week's Sky at a Glance, May 31 – June 9

Arcturus and Vega highlight the evening, The Big Dipper quickly pivots. And sorry, tell your friends and family who ask that no "dazzling Parade of Planets" is blazing across the sky. Who makes this stuff up??

Moon and Saturn, May 31, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, May 24 – June 2

The Big Dipper twists around fast near the zenith, Arcturus almost claims the zenith, the Coma Star Cluster not far away can't quite hide, and T Cor Bor simmers ominously dim.

Galilaei crater May 20, 2024

Explore the Night with Bob King

Why Did Galileo Get Such a Puny Crater?

Galileo was one of the first people to study the Moon through a telescope. You'd think he'd get more than 10-mile-wide crater for his efforts. But of course, there's more to the story.

Aldebaran about to be occulted by the waning gibbous Moon in daylight, Oct. 2, 2015

Celestial News & Events

This Week's Sky at a Glance, May 17 – 26

This week the Moon occults Beta Virginis, then Antares. The last star of the Summer Triangle finally rises before bedtime. On the other side of the sky, the Arch of Spring sinks low.

Aurora prequel

Celestial News & Events

Severe Geogmagnetic Storm Has Arrived! Auroral Blast Expected Friday Night

A severe geomagnetic storm has just hit Earth — which means we could see auroras tonight! Here's what you'll need to know.

Moon, Capella, and Beta Tauri at dusk, May 10, 2024

Celestial News & Events

This Week's Sky at a Glance, May 10 – 19

The waxing Moon this week travels eastward from the horns of Taurus past the heads of Gemini, the Beehive in Cancer, then the forefoot of Leo on its way to occulting Beta Virginis.

Comet C/2023 A3 early May

Explore the Night with Bob King

Comet Tsuchinshan-ATLAS Brightens, Grows a Tail

Are you excited about Comet Tsuchinshan-ATLAS's prospects for a bright appearance this autumn? Guess what? It's already gorgeous.

Waning Moon passing Saturn and Mars in the dawn, May 4-5, 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, May 3 – 12

This week in the moonless dark, the Summer Triangle appears over the eastern treetops star by star. Leo walks down toward the west. And the Sombrero Galaxy positions itself ideally on the south meridian for your telescope.

Eta Aquariids from Australia

Explore the Night with Bob King

Ready the Hot Cocoa and Recliner — Here Comes the Eta Aquariid Meteor Shower!

You might be tempted to sleep through this annual shower but then you'd miss seeing some of the fastest meteors around. Not to mention their parent is the most famous comet of all.

Big Dipper and Ursa Major

Sky Tour Astronomy Podcast

May Podcast: Big Dipper Shows the Way

High above you on May evenings is an one obvious star pattern that just about everyone knows: the Big Dipper. This “Swiss Army Knife of the sky” can help you find many other key springtime stars and constellations. Just download or stream this month’s Sky Tour podcast.

Mars and Saturn low in the dawn around April 27, 2024

Celestial News & Events

This Week's Sky at a Glance, April 26 – May 5

All the planets now huddle around our line of sight toward the Sun. However, these moonless evenings present us the Spring Triangle, the Great Diamond with a sugar sprinkle on its edge, and the Pointers aligned vertically.

Moon meets Spica as Corvus watches, April 22, 2024

Celestial News & Events

This Week's Sky at a Glance, April 19 – 28

Springtime Leo walks high in the south, springtime Hydra snakes a quarter of the way around the celestial sphere, and the bright Moon aligns with Spica.

Jupiter Uranus 12P comet

Explore the Night with Bob King

Jupiter Meets Uranus in Twilight; Supernova Erupts in Nearby Spiral Galaxy

Jupiter aligns with distant Uranus before it exits the evening sky as a bright supernova flares in the southern galaxy NGC 3621.

Mars and Saturn very low in the dawn, April 13, 2024

Celestial News & Events

This Week's Sky at a Glance, April 12 – 21

Jupiter is easy to spot, shining low in the west at nightfall. Near it are Uranus and Comet Pons-Brooks, tougher catches that require binoculars or a wide-field telescope — and some finding skills.

Crescent Moon passing Jupiter and Pleiades at dusk, April 10-11, 2024

Celestial News & Events

This Week's Sky at a Glance, April 5 – 14

Venus and Jupiter may shine through the blue sky during the April 8th solar eclipse even if the eclipse for you is only deep partial. After dark, Orion walks down in the southwest.

Mars and Saturn April 2024

Sky Tour Astronomy Podcast

April Podcast: Planets in Transition

April’s evening skies offer plenty of stars to check out. However, aside from Jupiter low in the west, planets are in short supply. Our latest Sky Tour podcast helps you track down Mars, Saturn, and much during April’s pleasant nights.

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