SUNSET: 
Comet SWAN Expected to Put on a Splendid Show
Comet SWAN will grace northern skies in the days to come.
New Comet Alert! Quartet of Comets Grace Our Skies
There's a lot happening in the northern sky these days, namely lots of comets! Comet ATLAS (C/2019 Y4) is still worth watching, but look for the new Comet SWAN (C/2020 F8) and Comet ATLAS (C/2019 Y1). And you can still catch a glimpse of our old friend, Comet PanSTARRS (C/2017 T2).
Oh No! Comet ATLAS Is Fragmenting
Find out when and where to see Comet ATLAS (C/2019 Y4) — and stay tuned to see how bright (or not) this comet gets.
The Latest on Betelgeuse, Plus a Bright Supernova and New Comet Iwamoto
The sky provides. This winter, the fading of Betelgeuse caught us all by surprise. Now, as January wraps up, we can add a new comet discovery and a supernova bright enough to see in a 6-inch telescope to an ever-growing list of seasonal sky wonders.
Comets to Catch in 2020
Here's the lowdown on which comets will brighten our skies in 2020.
Will Amateurs Be Able to See the New Interstellar Comet?
Only the second object thus far to visit the solar system from interstellar space, Comet Borisov is expected to reach perihelion in December. What can we see now?
Where Have All the Comets Gone?
It seems like forever since a bright comet has come around. We look at current and future prospects.
Comet Iwamoto Ascends and Brightens
Comet Iwamoto is visible as a binocular target from a dark sky. Follow it this week as it passes from Virgo into Leo.
Explore the Night with Bob King
Comets to Catch in 2019
We peek ahead to see what comets await in 2019. Bright ones will be sparse, but several nice objects, including Comet Iwamoto (C/2018 Y1) and Comet Africano (C/2018 W2), will keep things lively.
Chasing Comet 46P/Wirtanen as the Moon Looms
Learn how chase away the Moon to keep Comet 46P/Wirtanen in a dark sky. Here's an update on the comet's progress and what to look for in the coming nights.
Comet 46P/Wirtanen Approaches Earth
On December 16th, the comet will pass within 12 million kilometers of Earth and should brighten to about 3rd magnitude, though the diffuse coma and a nearly full Moon will make observations difficult.
Amateur Don Machholz Discovers His 12th Comet! (Updated)
Arizona comet hunter Don Machholz did it again! He discovered his 12th comet only two mornings ago. Set your alarm, grab your scope, and take a look.
The Sacred Hour Before Dawn and an Evening Comet Surprise
Silence can sometimes be in short supply, but one sure place to find it is under a starry sky before the first blush of dawn. Comet 29P/Schwassmann-Wachmann erupts again!
Explore the Night with Bob King
Comet 21P/Giacobini-Zinner Shines in September
Watch a binocular-bright comet leapfrog across Auriga in the next few weeks before a remarkable conjunction with the bright star cluster, M35.
PanSTARRS Comet, Rocked by Outburst, Goes Green
Comet PanSTARRS (C/2017 S3) has erupted again! Now bright enough to see in binoculars, it might become a naked-eye object if it survives until perihelion.
Catch these Comets in 2018
We look ahead to see what fuzzy visitors, new and returning, will brighten the nights ahead. One and possibly two naked-eye comets are on the way.
Comet Lovejoy Brightens Quickly, Heads North
Terry Lovejoy's new comet has gone from faint to bright in just three weeks and is now a tempting binocular target at dawn.
Green Comet 45P Makes Close Earth Flyby
Green-glowing 45P/Honda-Mrkos-Pajdusakova will make an unusually close pass by Earth on Saturday. Watch it boogie across the morning sky this week!
Explore the Night with Bob King
Bright Prospects for Comets in 2017
Comet lovers have much to look forward to in the new year with six potential bright binocular comets and at least two others for modest backyard telescopes.
Comet Campaign Seeks Imagers Worldwide
Calling all imagers! Three comets will make close flybys of Earth over the next two years. Join a new pro-am effort to make the most of this rare triple play.