Mystery Objects Uncovered in Globular Clusters
Astronomers have found two different star clusters with an enigmatic source inside. Are these objects neutron stars or black holes?
Japan's "Sniper" Mission Pinpoints Landing on the Moon — Then Shuts Down
In a first for Japan, the SLIM mission stuck a pinpoint landing on the Moon. How long the mission lasts depends on whether the solar cells begin charging.
The Black Hole Files with Camille Carlisle
The Black Hole Shadow in M87: One Year Later
The Event Horizon Telescope collaboration has released the image from its second major campaign, confirming the existence of a persistent black hole shadow and a potentially turbulent environment.
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.
Why We Look Up with Jennifer Willis
Let Your Astronomy Nerd Flag Fly!
“Space gear” lets us celebrate the night sky while the sun shining — and connect with others who want to do the same.
Clouds, Large and Small, of the Southern Sky
Jonathan Nally sets out to explore the Southern Hemisphere sky, starting with two uniquely southern sights: the Small and Large Magellanic Clouds.
The Black Hole Files with Camille Carlisle
Black Holes in Early Universe Are Too Big
JWST observations of the universe as it was 12 to 13 billion years ago indicate that the black holes at the centers of small, early galaxies were more massive than expected.
Astronomy in Space with David Dickinson
China Launches Einstein X-ray Observatory
China’s Einstein Probe, an X-ray astronomy mission, heads to orbit.
Peregrine Mission Launches Successfully, But Misses the Moon
The first launch of the United Launch Alliance Vulcan-Centaur rocket attempted to send Peregrine Mission One moonward, but a propulsion problem has likely stymied that goal.
Top Space Missions to Watch for in 2024
Humans' return to cis-lunar space and a flagship spacecraft to Europa are among the missions to come in 2024.
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.
Astronomy in Space with David Dickinson
First Launch of 2024: India Flies New X-Ray Satellite
ISROs XPoSat will unlock the secrets of the X-ray universe.
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.
Explore the Night with Bob King
Vesta Sets Sail Across Orion
Look who's visiting this winter in Orion: Vesta, a bright asteroid with a dark side.
Explore the Night with Bob King
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.
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.
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.
Explore the Night with Bob King
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.
Why We Look Up with Jennifer Willis
To the Stars, Through (or Despite) Hardship
Ad astra per aspera — to the stars through hardship. The saying applies universally, but personally, it might hit home in different ways.
Astronomy in Space with David Dickinson
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.