SUNSET: 
Rubin Observatory Announces 11,000 New Asteroids
The Vera C. Rubin Observatory will discover up to 500,000 solar system objects every year. It’s already starting to deliver on that promise.
Comet Break-Up Caught In Action
The Hubble Space Telescope caught a long-period comet breaking up just after it passed the Sun.
Rubin Observatory Detects Record-Breaking Asteroids
The Rubin Observatory has detected thousands of new asteroids, including several that spin a lot faster than expected for typical rubble piles.
Newly Discovered Asteroid Circles the Sun Inside Venus’s Orbit
Astronomers have discovered a second asteroid in the inner solar system, circling the Sun almost entirely within the orbit of Venus.
Metal Shards Shed Light on the Origin of Asteroid Kalliope
Small relatives of the much-larger Kalliope, a metallic main-belt asteroid shed light on their mutual origin early in solar system history.
There Won't Be a Second Bright Comet This Month (Update)
Newfound Comet ATLAS (C/2024 S1) could dazzle – or fizzle.
Top 10 Astronomy News Stories of 2023
This year, we heard the low hum of gravitational waves criss-crossing the cosmos, observed a "ring of fire" solar eclipse, and applauded the arrival of asteroid samples. Here are Sky & Telescope's picks for the top news stories in astronomy this year.
As an Asteroid-Hunting Mission Approaches Its End, What's Next?
The pioneering NEOWISE observatory celebrates a milestone, even as the end of the mission draws near.
Amateur Astronomers Discover an Asteroid’s Moon
The small object orbiting around main-belt asteroid 5457 Queen’s is the second confirmed asteroid moon discovered during a stellar occultation.
Comet 46P/Wirtanen: All Dust, No Ice
Where is all of the water around hyperactive comets coming from? A recent article asked if it could be “Ice, Ice, Maybe?” and concluded that it likely isn’t.
Are We Finally on the Cusp of Commercial Asteroid Mining?
Years after initial space-mining ventures went bust, startup AstroForge has announced two missions in 2023 to obtain rare minerals from a near-Earth asteroid.
How Many Moons Can an Asteroid Have?
The discovery of the first quadruple asteroid system raises the question: Is there a limit to how many moons an asteroid can have?
Samples from Asteroid Ryugu Are Most Primitive Material We've Found
The material that the Hayabusa 2 spacecraft returned from asteroid Ryugu is the most pristine sample we've ever gotten our hands on.
NASA Launches Lucy Mission to Trojan Asteroids
NASA’s ambitious Lucy mission has launched to explore Jupiter's Trojan asteroids, pristine examples of the solar system's early years.
Astronomy in Space with David Dickinson
Astronomers Discover Asteroid that Flies Close to the Sun
Newly discovered asteroid 2021 PH27 orbits the Sun in just 113 days.
Two Extremely Red Asteroids Discovered Far from Home
Astronomers have discovered the two reddest objects in the asteroid belt, and their origin story might tell us more about planet formation.
Giant Oort Cloud Comet Lights Up in the Outer Solar System
Astronomers have discovered a new comet coming from the Oort Cloud — and it appears to be a big one.
Iron Volcanos: Maybe Not Science Fiction After All
A new study of asteroid 16 Psyche suggests that ferrovolcanism, volcanoes that spewed molten iron, might have been present on this object.
Comet NEOWISE Delights at Dawn
Skywatchers are treated to a naked-eye comet as NEOWISE emerges into the the dawn sky.
Exploring Links Between Nearby Asteroids
In preparation for the launch of Destiny+, a new study reveals that two near-Earth asteroids may share the same parent.
