SUNSET: 
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.
This Week's Sky at a Glance, December 3 – 11
The crescent Moon at dusk hangs under Venus, then Saturn, then Jupiter. Comet Leonard is at its best before dawn. And welcome in, Orion!
This Week's Sky at a Glance, November 25 – December 4
While the Jupiter-Saturn-Venus line keeps shrinking, all kinds of deep-sky sights, naked-eye to telescopic, show themselves on these moonless evenings.
Solar Orbiter to Fly Past Earth Thanksgiving Weekend
The Solar Orbiter mission will fly past Earth Friday night, setting up a dramatic sunward plunge.
This Week's Sky at a Glance, November 19 – 27
Orion now rises in the east around 8 p.m. Will Betelgeuse or Rigel be the first of his bright stars to come up? That depends on your latitude; Los Angeles and Atlanta are balance points. The Pleiades and Aldebaran watch this scene from high above.
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!
This Week's Sky at a Glance, November 12 – 20
Venus, Jupiter and Saturn highlight the dusk. Mercury and Mars are a dawn challenge. And get ready for the barely-almost-total eclipse of the Moon.
Under One Sky: Let's Address Light Pollution Together
Concerned about light pollution? Join a virtual conference this weekend that looks at ongoing global efforts to mitigate it.
This Week's Sky at a Glance, November 5 – 13
In the evening sky the waxing Moon walks up past Venus, then Saturn and Jupiter day by day. And we're in the season of the Summer Triangle Effect.
This Week's Sky at a Glance, October 29 – November 6
The moonless evenings this week offer three bright planets and deep-sky riches as deep as you can go. Meanwhile, the waning crescent Moon meets Mercury and Spica low in bright dawn.
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.
This Week's Sky at a Glance, October 22 – 30
As fall proceeds, Jupiter and Saturn shift westward and tilt ever more steeply. Venus gets a little higher and brighter. The waning Moon passes the Pleiades. And as Halloween approaches, Arcturus becomes the Ghost of Summer Suns.
Jupiter Whacked Again? Japanese Astronomers Record Possible Impact
A group of Japanese astronomers just discovered a potential new impact at the planet Jupiter.
This Week's Sky at a Glance, October 15 – 23
The gibbous Moon shines under Jupiter and Saturn, then waxes to full under the Great Square of Pegasus. Cassiopeia stands on end high in the northeast, as Capella glitters far below.
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.
This Week's Sky at a Glance, October 8 – 16
The crescent Moon returns to the evening sky, passing Venus, then the Saturn and Jupiter pair. Venus itself passes Delta Sco and then Antares. Auroras may shimmer, the Draconids may sputter; the sky never ceases to call.
Comet 29P Undergoes Brightest Outburst in Recent Years
Catch one of the most active small bodies in the solar system during a rare superoutburst.
This Week's Sky at a Glance, Sept. 24 – Oct. 2
Jupiter and Saturn shine in the south-southeast at dusk, Venus low in the southwest. They're all close to the ecliptic, so a straight line from Jupiter through Saturn points almost exactly to Venus. Don't believe it? Stretch a string tightly between your hands wide apart, hold it up to the three planets, and see for yourself!
This Week's Sky at a Glance, September 17 – 25
The waxing gibbous Moon shines with Jupiter and Saturn on its way to full. And as summer turns to fall, Deneb replaces Vega as the zenith star after dusk.
Explore the Night with Bob King
Asteroid Pallas Makes a Point in Pisces
Spice up your fall observing with a dash of Pallas and nibble of Neptune. Both planet and asteroid are easy to spot in a small telescope.