SUNSET: 
Europa Clipper Successfully Launches on Multi-Year Mission to Jupiter’s Icy Moon
After reaching Jupiter in 2030, the spacecraft will study Europa to help assess whether it has the conditions necessary to sustain life.
Triple Supernova Image Stokes Hubble Constant Controversy
A unique supernova image provides astronomers with an alternative way to measure the universe’s current expansion, hinting that it’s (still) faster than expected.
Beverly Turner Lynds, 1929–2024
Beverly Lynds, a pioneer for women in astronomy and astrophysics, advanced the study of dust-and-gas clouds in the Milky Way.
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.
This Week's Sky at a Glance, October 11 – 20
Comet Tsuchinshan-ATLAS enters its week of glory for those of us in the Northern Hemisphere. Don't let any clear twilight slip by!
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.
Jupiter’s Great Red Spot Shimmies to a Beat
Hubble observations reveal that the storm’s size and shape change in a cyclic pattern.
Webb Telescope Images Planet-Shaping Winds Around Young Stars
Astronomers have obtained the first sharp images of winds blowing from gaseous disks around young stars, paving the way for improved models of planet formation.
Meet the Draco Constellation: The Dragon Between the Dippers
Meet Draco, the Dragon, a constellation that lurks between the Dippers and circles 'round the northern sky.
Barnard’s Star Has a Confirmed Planet — At Last!
Astronomers have found a sub-Earth-mass planet orbiting Barnard's star, just six light-years away — for real this time.
Hera Mission Launches to Witness Asteroid-Crash Aftermath
The European Agency’s Hera mission has launched, following up on the destructive impact of NASA’s Double Asteroid Redirection Test on the asteroid Didymos.
This Week's Sky at a Glance, October 4 – 13
The waxing crescent Moon passes Venus, then Antares, in the western twilight. Several days later, Comet Tsuchinshan starts stealing the twilight show for everyone in the world's north temperate latitudes!
NASA Powers Down Experiment on Voyager 2
NASA engineers have shut down one of Voyager 2’s science instruments to save power and to preserve the spacecraft's next decade of operations.
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.
Europa Clipper Readies for Launch to Jupiter's Icy — and Maybe Habitable — Moon
NASA's spacecraft to Jupiter's icy moon Europa will explore the little world's potential habitability.
Tour the Southern Constellation Pavo, the Peacock
The constellation of the Peacock is home to some splendid stellar and deep sky sights.
Does Betelgeuse Have a Companion Star?
New analysis of Betelgeuse's brightness variations and other data points to a small, close companion for this giant star.
October Podcast: The Moon’s Waxing and Waning
Come along on a guided tour of the stars and planets that you’ll see overhead during October. Ponder the Moon’s whereabouts; spot four planets and a fast-moving comet, and watch for meteors shed by Halley’s Comet.
Historic Amateur Observatory Destroyed in California Wildfires
The Clinton B. Ford Observatory, once used for variable star observations, has fallen to wildfires.
This Week's Sky at a Glance, September 27 – October 6
On these moonless evenings, Cassiopeia shows some of its inner workings. The Circlet of Pisces offers a very red star next to a little-known cross. From Vega, Lyra points away from the head of Draco.
