A New Hope? Taming the Satellite Swarm
Going by the paperwork, 1 million satellites are headed for the skies. The question is, how many of these are real? New policy may help stem the tide.
Annular Solar Eclipse Dazzles Watchers Across North America
The weekend's solar eclipse dazzled observers throughout the U.S. and Mexico. Sky & Telescope editors and contributing editors report.
The Bright BlueWalker 3 Satellite Threatens Astronomy
The bright BlueWalker 3 satellite, a prototype for the even larger Bluebird satellites, is one of the brightest objects in the sky.
NASA Finds No Evidence UFOs Are Extraterrestrial, Promises Further Study
An independent study shows how NASA can help understand unidentified anomalous phenomena, more colloquially known as UFOs.
India’s Chandrayaan 3 Lands on the Moon; Russia's Luna 25 Crashes
In a first, India’s Chandrayaan 3 soft-lands in the lunar south pole region of the Moon.
Unintended Satellite Emission May Harm Radio Astronomy
Satellites’ leakage radiation, now detected for the first time, may become a major problem for radio astronomy, as “megaconstellations” keep on growing.
The Newest and Largest Starlink Satellites Are Also the Faintest
Despite being four times larger than the original Starlink satellites, the new "Mini" version is fainter — as dim as astronomers have recommended such satellites be.
NASA Panel Talks Unidentified Anomalous Phenomena
NASA has held its first public meeting with its panel investigating Unidentified Anomalous Phenomena. The panel will publish a full report in July.
Explore the Night with Bob King
Scientists Confirm: Meteorite Crashed Into New Jersey Home
A rock that crashed through the roof of a house in New Jersey proved to be the real thing — a chunk spalled from a 4.5 billion-year-old asteroid.
The DEB Initiative: How Citizen Scientists Can Help Broadcast Eclipses
A citizen-science project aims to broadcast the eclipses coming up this year and next.
Satellites and Space Debris Are Polluting Our Night Skies
Astronomers are sounding the alarm about low-Earth orbit satellites and space debris as significant contributors to light pollution that will affect even the remotest earthbound stargazer.
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.
Town Votes to Protect the Holmdel Horn That "Heard" the Big Bang
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.