SUNSET: 
Solar and Lunar Eclipses in 2025
Although no total solar eclipses occur this year, skywatchers can look forward to two total lunar eclipses — including one that will be visible across North America.
Watch Quadrantid Meteors Fly and the Moon Occult Saturn
The annual Quadrantid meteor shower kicks off the new year under moonless skies. European observers will see the Saturn occultation in person; the rest of us via livestream.
The Best Meteor Showers in 2025
You’ll fight a bright Moon to watch August’s beloved Perseid meteor shower in 2025. But it should be an excellent year for December’s strong Geminid shower.
How To Get Started with that New Telescope
How to start successfully with your new telescope — a guide to what you need to know, how to set it up, and things you can start finding with it in tonight’s sky.
New Resource for Exploring All 88 Constellations
If you’d like to roam the entire celestial sphere virtually, check out a new collection of downloadable high-resolution images of all 88 constellations.
This Week's Sky at a Glance, December 20 – 29
Orion now rises in twilight, seemingly enlarged by the Moon illusion. Venus, Saturn, Jupiter, and Mars span the evening sky. And here comes another weird pattern of Jupiter's moons.
Meet the Taurus Constellation: The Ancient Bull
Taurus, the Bull, is a constellation that has been around for centuries, possibly even millennia.
Comet ATLAS (C/2024 G3) Kicks off the New Year — What to Expect
The Southern Hemisphere should get a good show of Comet ATLAS (C/2024 G3). Mid-northern latitude observers not so much.
Don't Let the Bright Moon Ruin Your Geminids
Strategies for making the most of this week's Moon-soaked Geminid meteor shower.
You're Invited to Jupiter's Big, Bright Opposition Bash
Don't let the cold keep you inside — Jupiter beckons with a brand new storm!
Hunting Dwarf Galaxies in the Sooner State
A dark-sky quest leads to encounters with two Milky Way companion galaxies and other dim delectables.
Watch the Moon Occult the Pleiades, Spica too!
The Moon crosses the Pleiades this week, then heads east for the year's most dramatic Spica occultation.
Meet Algol, the Demon Star
Meet Algol, a "winking" eclipsing binary star that glares out from the constellation Perseus.
Find a Quasar in the Sky Tonight and Time Travel to the Early Universe
Travel to the faraway and long ago by riding a quasar's beam.
Grab Comet Tsuchinshan-ATLAS by the Tail
We check in with the brightest comet of the year and see what's next, plus an update on Comet ATLAS (C/2024 S1), which still shows signs of life.
Comet Tsuchinshan-ATLAS Climbs, Brightens and Delights!
Treat yourself to a comet bright enough to see plainly even in moonlight. Tsuchinshan-ATLAS beckons at dusk!
Get Ready for Comet Tsuchinshan-ATLAS — The Best Is Yet to Come!
Comet Tsuchinshan-ATLAS has delighted observers already, but its morning run was only a warm-up — wait till you see what's coming.
Severe Geomagnetic Storm Triggers Widespread Aurora October 10-11
The aurora may be visible across much of the U.S. tonight in the wake of dual solar blasts.
Second Chance: Solar Flare Might Spark Aurora Friday and Saturday Night
An updated forecast predicts observers across the northern and central U.S. may see the aurora two nights in a row — on Oct. 4th and 5th — in the wake of one of the Sun's most powerful flares this solar cycle.
See Mutual Events, Close Approaches of Saturn's Moons
As Saturn's rings narrow, now's the time for its moons to shine.
