SUNSET: 
Satellite Trails Mar Hubble Images
An accounting of satellite streaks across two decades of Hubble Space Telescopes finds their appearance is increasing.
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.
Small Asteroid Spotted Hours Before Demise
The swift detection of a small asteroid, and recovery of its surviving fragments, shows we’re getting better at spotting incoming objects.
How Citizen Scientists Are Monitoring the DART Impact's Aftereffects
Observers around the globe are keeping an eye on the asteroid Didymos and its moon Dimorphos to track the long-term effects of the DART mission's impact.
Terence Dickinson (1943 – 2023)
Terence Dickinson, Canadian astronomer and author of numerous popular books on astronomy, has passed away.
Light Pollution Is Increasing Even Faster Than We Realized
The average brightness of the night sky is increasing by 10% every year, making the stars less visible.
Light Pollution Is Creeping Up on the World's Observatories
Astronomical observatories enjoy some of the world’s darkest night skies. But even there light pollution is spreading, a new study suggests.
The Holmdel Horn That "Heard" the Big Bang Is at Risk
Redevelopment plans could threaten the site that houses the Holmdel Horn, the instrument responsible for hearing the "hiss" of background radiation from the Big Bang.
Apollo 17 in Pictures: “God Willing, as We Shall Return”
On the 50th anniversary of Apollo 17, we look back at iconic photos as well as rarely seen images from the mission.
A Celebration of Jay Pasachoff (1943–2022)
Jay M. Pasachoff, Chair of the Astronomy Department, Director of the Hopkins Observatory, and Field Memorial Professor of Astronomy at Williams College in Williamstown, Massachusetts, succumbed to cancer on Sunday morning, November 20th.
BlueWalker 3 Satellite Unfolds, Brightening 40-fold
The unfolding of the BlueWalker 3's giant flat-panel antenna array resulted in a satellite 40 times as bright, outshining most stars.
Astronomy in Space with David Dickinson
Lift-off! NASA Launches Artemis 1 Mission to the Moon
NASA’s next-generation Moon rocket has left the launchpad on the first flight of the Artemis program.
National Science Foundation Will Not Rebuild Arecibo
While the NSF plans to establish an educational center at the Arecibo Observatory, the institution has stated it will not fund science there.
Astrophotographer of the Year Awards
The Royal Observatory Greenwich has announced the winners of the 14th annual Astronomy Photographer of the Year contest.
Astrophotography: Tips & Techniques
Photographers "Capture the Dark" in Stunning Images
The International Dark-Sky Association celebrates photography's role in the fight against light pollution. Here are this year's contest winners!
Astronomy in Space with David Dickinson
The Hazards of Uncontrolled Reentries from Space
A recent study examines the risk posed to human life by reentering space debris as the number of rocket launches continues to grow.
Bright New Satellites Join a Crowded Sky — Here’s How You Can Help
The imminent launch of a BlueWalker satellite, with a giant phased array antenna, portends a brightening night sky. Amateur astronomers can help record these changes with the goal of mitigating them.
Years of Tensions at Mauna Kea May End with Peaceful Negotiations
New stewardship of Mauna Kea, a dormant volcano that hosts some of the world's largest telescopes, could change the face of astronomy at the summit.
How Astronomers Are Rendering the Universe in Sound
Presenting data as sound can open new opportunities for accessibility, engagement, and discovery, but the technique still faces challenges.
Astronomy in Space with David Dickinson
Found: Booster Impact Crater on the Farside of the Moon
The Lunar Reconnaissance Orbiter mission has found the impact site created March 4th. The crater might help reveal the impactor's identity.