SUNSET: 
Asteroid 2024 BX1: From a Light in the Sky to Rocks on the Ground
The asteroid 2024 BX1 went from a moving dot of light to rocks on the ground in mere hours — and amateur astronomers were critical to both discovery and recovery.
This Week's Sky at a Glance, January 26 – February 4
Orion anchors both the Winter Triangle and the Winter Hexagon. So does the Meat Cleaver in Canis Major. Jupiter regards them from high to their right.
Meet Bellatrix, the Amazon Star
It's fitting that Bellatrix, the star at Orion's other shoulder, takes the name of "woman warrior," but it wasn't always that way.
This Week's Sky at a Glance, January 19 – 28
Jupiter shines high, bright, and obvious after dusk. Mercury and Mars glimmer low, dim, and elusive for their close conjunction in the dawn.
Solar and Lunar Eclipses in 2024
Although no total lunar eclipses occur this year, skywatchers can look forward to two “central” solar eclipses — including a much-awaited total eclipse that spans the U.S. from Texas to New England.
The Night I Met the Crab Pulsar
An account of my journey to the heart of one of most violent cosmic explosions witnessed on Earth. Plus, there's a bright supernova now visible in a Virgo Cluster galaxy.
This Week's Sky at a Glance, January 12 – 21
The evening Moon passes Saturn, then Jupiter. Venus and Mercury march in lockstep in the eastern dawn. Capella, as always, paces Orion's bright foot. And who's winning the Sirius-Betelgeuse race?
The Best Meteor Showers in 2024
The beloved Perseid meteor shower of the August vacation season will evade the moonlight in 2024, at least during the best early morning meteor-watching hours. The Lyrids and Geminids aren't so lucky.
This Week's Sky at a Glance, January 5 – 14
How does the Sirius-Procyon balance, newly risen, tilt for you? Depends on your latitude! Meanwhile, Triangulum and Aries teeter in balance on Jupiter.
Catch Luyten's Star and the Quadrantid Meteor Shower
Relish the slow, steady pace of nearby Luyten's Star then switch things up with speedy meteors from a well-timed shower.
January Podcast: A Busy Start to 2024
If you’ve resolved to do more stargazing in the New Year, then 2024 will start you off with a bang! As told in this month’s Sky Tour astronomy podcast, you can look forward to some excellent celestial events.
This Week's Sky at a Glance, December 29 – January 5
Scintillating Sirius rises ever earlier to scintillate in colors. The Quadrantid meteors in the Thursday-morning dark are well timed for Eastern North America. Two triangle constellations stack over Jupiter.
This Week's Sky at a Glance, December 22 – 31
Christmas week this year puts the late-night Moon at the highest overhead you'll ever see it. High Jupiter lights the evening. Venus is the bright "star" lower in the east at dawn.
Watch Jupiter's Moons in Unusual Lineups
You'll have five opportunities in the coming months to see Jupiter's moons in interesting alignments.
This Week's Sky at a Glance, December 15 – 24
The waxing Moon passes Saturn, jumps over Jupiter, then jumps the Pleiades. Sirius and Procyon rise earlier, but the Summer Triangle still hangs on.
Vesta Sets Sail Across Orion
Look who's visiting this winter in Orion: Vesta, a bright asteroid with a dark side.
Get Ready to Greet the Geminid Meteor Shower!
The year's most spectacular meteor shower is upon us. Prepare to enjoy the Geminids under a dark, moonless sky, when you might see more than 100 meteors per hour.
This Week's Sky at a Glance, December 8 – 17
The best meteor shower of the year peaks late Wednesday night. And if you're not positioned to see the tiny asteroid occult Betelgeuse Monday evening, watch by livestream!
This Week's Sky at a Glance, December 1 – 9
These moonless evenings open up the deep sky. For many of us the viewing is especially crisp through the low-humidity December air. The Big Dipper lies low, Cassiopeia stands high, and the Andromeda Galaxy crosses the zenith.
December Podcast: A Tower of Brilliant Stars
This month’s Sky Tour podcast introduces you to a “tower of brilliance” in the eastern evening sky, along with tips for finding four planets and watching mid-December’s impressive Geminid meteor shower.
