SUNSET: 
Watch Uranus's Moon Titania Cover a Star Monday Night
Observers across much of the U.S. and Canada have a unique opportunity Monday night, November 20–21, to see Uranus's brightest moon occult a star.
This Week's Sky at a Glance, November 17 – 26
The bright gibbous Moon this week passes Saturn, then Jupiter, inviting telescopes of all sizes. And as winter approaches, Orion rises earlier and earlier.
Astronomy in Space with David Dickinson
Samples of Asteroid Ryugu Show Signs of Ancient Water
The distribution of elements seen in the samples of Ryugu brought back by Hayabusa 2 hints at a wet past.
Webb Telescope Peers into Puffy Planet with Clouds of Sand
A mere 200 light-years away, there's a planet with the density of styrofoam and clouds of sand. How did it get so weird?
Jupiter's Great Red Spot Just Keeps Getting Smaller
Jupiter's Great Red Spot may be reaching a milestone this year by shrinking to its smallest size in recorded observational history.
Atomic Oxygen Detected on Venus
New data provide direct evidence for the existence of atomic oxygen in Venus's upper atmosphere, enabling new science on our sister planet.
Webb Shows Planets Really Do Start with Pebbles
New observations have turned up evidence that icy pebbles deliver the water to inner regions of planet-forming disks.
This Week's Sky at a Glance, November 10 – 19
The crescent Moon slips down into the sunrise and then up in the afterglow of sunset, guiding the way to the last stars of Sagittarius right after dark. A few days later it passes Saturn.
Webb, Hubble Telescopes Team Up to Create "Most Colorful View of the Universe"
The Hubble and Webb Space Telescopes have revealed a bounty of galaxies in a pair of colliding clusters, capturing twinkling lights within.
Meet Enif, the Nose of Pegasus
Enif, the nose of Pegasus, is a supergiant star and the brightest member of the constellation. Find out more about this star and its place in our skies.
Lucy Mission Flies By Asteroid Dinkinesh, Finds Binary Moon (Updated)
The Lucy mission's flyby of the main-belt asteroid Dinkinesh resulted in a surprise — yet another asteroid moon!
New Cosmology Probe Presents First, Stunning Images
The Horsehead Nebula and other stunning scenes highlight the talents of the just-launched Euclid mission. The telescope will reach into the depths of the cosmos to understand dark matter and dark energy.
This Week's Sky at a Glance, November 3 – 12
The Great Square, now upright, guides your way down to Fomalhaut and Diphda and, farther down, Alpha Phoenicis – a chance to add a new constellation to your life list. And plan to catch the Moon-Venus pairing in early dawn on the 9th.
Bits of Theia Might Be in Earth's Mantle
A "smoking gun" for the ancient calamity that formed Earth’s large Moon may still exist deep in the mantle of our planet.
New Forecast Resets Solar Cycle Expectations
A new forecast suggests that sunspot numbers, aurorae, and other solar activity will peak sooner and at a higher level than expected.
How to See Freaky Starlink "Cluster Flares", Plus the Latest on Comet Lemmon
Alien invasion or flares from satellites in multiple orbits? It depends on your point of view. We also check in on Comet Lemmon, poised to possibly reach binocular-visibility.
November Podcast: Horse, Dolphin, Arrow, and Fish
With Jupiter and Saturn leading the way each evening, you can use this month’s Sky Tour podcast to track down some lesser-known constellations — and the most distant celestial object that you can see with just your eyes!
Dead Stars Come to Life This Halloween
The ghostly lights from two dead stars have stories to tell.
Black Hole Rain
The planned LISA gravitational-wave detector might discover a shower of hundreds of small black holes falling in galactic centers.
AAS Quasquicentennial: Celebrating 125 Years in 2024
The American Astronomical Society is celebrating its 125th anniversary. Visit the AAS site to learn more about this exciting milestone.
