
Explore the Night with Bob King
A New Way to See the Big Dipper
Unlike most asterisms, many of the Big Dipper's stars really are physically connected. They belong to a loosely bound stellar stream called the Ursa Major Moving Cluster.

Explore the Night with Bob King
Witness a Total Lunar Eclipse on Sunday, May 15–16
The full Flower Moon ducks inside Earth's shadow in a total lunar eclipse this month. We help you prepare for all the highlights of the special event.

Explore the Night with Bob King
How to Observe and Measure Naked-eye Sunspots
As Solar Cycle 25 ticks up, naked-eye sunspots are becoming more frequent. They're not only fun to observe, but with this simple method you can determine just how big they are. We also have news on a bright supernova!

Explore the Night with Bob King
Celebrate Spring with the Lyrids
People have been watching the annual Lyrid meteor shower for more than 2,700 years. Come join the crowd!

Comets to View in 2022
Like comets? We've got 11 frozen fuzzies to share with you in the coming months, including a couple that could become fine binocular objects.

Explore the Night with Bob King
Will Saturn Sprout Spots this Observing Season?
As Saturn returns to the morning sky, will this otherwise serene-looking planet experience another bout of severe weather? Keep your eyes peeled for white spots!

Explore the Night with Bob King
Uncovering Secrets of Earth's Shadow
The daily rising and setting of Earth's shadow is a beautiful sight anyone on the planet can view. It's also an opportunity to witness the rapid changes that accompany sunset or sunrise, but at the opposite end of the sky.

Explore the Night with Bob King
Reveling in the Winter Milky Way
With the Moon departing the evening sky, now's a good time for a closer look at the northern winter Milky Way and its southern summer counterpart, too. No equipment required!

Explore the Night with Bob King
See the Sun from Other Stars
We journey to distant suns to look back at our solar system and see its place among the stars.

Set Your Sights on This Lunar Bull’s-Eye
Go ahead, live on the edge: Grab your chance this month to see Mare Orientale, one of the most spectacular lunar seas most people have never seen.

Watch an Asteroid Race Across the Sky
The kilometer-wide, potentially hazardous asteroid 1994 PC1 will fly past Earth on January 18th. Good news on two counts: It won't hit us, and it's bright enough to see in a 4-inch telescope.

Explore the Night with Bob King
Comet-seeking on Cold, Crunchy Nights
Did the recent apparition of Comet Leonard whet your appetite for more of these beautiful unpredictables? Here are five more you can see with your telescope this season.

Comet Leonard: A Gift at Christmastime
Multiple bright outbursts have transformed Comet Leonard into a stunning photographic object that’s also visible without optical aid from southern locations. More disruptions are likely in store as it approaches perihelion.

Venus Farewell, Moonless Skies for the Quadrantids
Venus presents a stunning crescent at dusk before switching over to the morning sky early next month. After dodging the Moon for the Geminids, it's dark skies all around for the Quadrantid meteor shower.

Precious Hours with the Geminids
At first glance, the annual Geminid meteor shower appears to be on a collision course with a bright Moon. But a closer look reveals a happy window of dark skies.

See Comet Leonard at its Best
The year's brightest comet is now on display in the predawn sky this week and next. Here's how to find it.

A Near-Miss Total Lunar Eclipse
A near-total lunar eclipse will be widely visible across North America on the night of November 18–19. Dress warmly and go for it!

Explore the Night with Bob King
Uranus Queues Up for Opposition
Journey to a remote planet then double back to check in on the latest stirrings of Comet 29P/Schwassmann-Wachmann before touching the finger of dawn.

Explore the Night with Bob King
Jupiter Whacked Again? Japanese Astronomers Record Possible Impact
A group of Japanese astronomers just discovered a potential new impact at the planet Jupiter.

How Bright Will Comet Leonard Get?
We examine circumstances and expectations for the current apparition of Comet Leonard, which may become the year's brightest comet.