SUNSET: 
Voyager 1 Shuts Down Another Instrument
Engineers have turned off an instrument that measured the density of charged particles in an effort to keep the aging Voyager 1 operational.
How Tilted Orbits Impact Supermassive Black Hole Collisions
What factors impact how long it takes for a supermassive black hole binary to merge?
This Week's Sky at a Glance, April 24 – May 3
The Moon occults Regulus in twilight or bright afternoon for most of North America. Venus lines up between Aldebaran and the Pleiades. Sirius nears its heliacal setting.
Catching the Earliest Stars in the Universe
New observations from the James Webb Space Telescope might have caught the signature of the universe's first stars.
Uranus’s Outermost Rings Are Made of Two Different Things
The James Webb Space Telescope has taken a deep look at the rings around the ice giant Uranus and found a new mystery to be solved.
The Nancy Grace Roman Space Telescope Is Ready to Fly
NASA has announced that the Nancy Grace Roman Space Telescope is all set for a September launch.
Sun-Observing Satellite Uses Artificial Eclipse to Capture the Solar Wind
The Proba 3 mission flies two spacecraft in precise formation to create an artificial eclipse and obtain close views of the solar wind as it leaves the Sun.
Astronomers Find the Edge of the Milky Way
Astronomers have located the edge of the Milky Way’s star-forming disk for the first time, showing that star formation is focused within 40,000 light-years of our galactic center.
Galaxies Don’t Die All at Once
State-of-the-art simulations shed light on how galaxies die — and how we can determine the cause of death.
This Week's Sky at a Glance, April 17 – 26
The waxing Moon this week visits Venus, the Pleiades, and the Jupiter-Pollux-Castor triangle, then occults Regulus in a bright sky.
What Were the Flashes That Artemis 2 Astronauts Saw?
The crew of Artemis 2 reported six flashes of light while passing behind the Moon. We've seen those kinds of flashes before.
See the Moon Hide Regulus, the Stellar Heart of the Lion
Watch Regulus disappear and reappear before your eyes during its last North American occultation in the current cycle.
Planets Collide Around Young, Sun-like Star
Astronomers have uncovered evidence that two planets collided around a young star, revealing how giant impacts sculpt baby solar systems.
Do Look Up: Asteroid Apophis Will Fly By Earth in Three Years
The close pass of Apophis is nothing to fear. Will you be watching on Friday, April 13, 2029, when this asteroid glides across the sky?
Sky & Telescope Reports: New Telescopes and More at NEAF
Sky & Telescope editors made their annual pilgrimage to the Northeast Astronomy Forum to check out new astro-gear and meet up with contributors and readers alike.
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.
This Week's Sky at a Glance, April 10 – 19
A thin crescent Moon points the way to super-difficult Mercury and Mars low in the dawn, then the opposite crescent plays with bold Venus and the Pleiades in evening twilight.
Join Us at the 35th Annual Northeast Astronomy Forum
The weekend of April 11–12 marks the return of the world’s largest astronomy and space expo with telescopes, cameras, and activities for the entire family.
Light Pollution Is Increasingly Variable Around the World
Scientists have unveiled a new dynamic view of our world at night, showing for the first time a night-by-night view of changes in light pollution.
Amazing Views From Artemis 2’s Historic Lunar Flyby
The Artemis 2 crew set records and provided amazing views — with more to come — as they journeyed around the Moon.
