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, a prototype for the even larger Bluebird satellites, is one of the brightest objects in the sky.
An independent study shows how NASA can help understand unidentified anomalous phenomena, more colloquially known as UFOs.
In a first, India’s Chandrayaan 3 soft-lands in the lunar south pole region of the Moon.
Satellites’ leakage radiation, now detected for the first time, may become a major problem for radio astronomy, as “megaconstellations” keep on growing.
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.
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.
A citizen-science project aims to broadcast the eclipses coming up this year and next.
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.
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.
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.
The average brightness of the night sky is increasing by 10% every year, making the stars less visible.
Astronomical observatories enjoy some of the world’s darkest night skies. But even there light pollution is spreading, a new study suggests.
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.
On the 50th anniversary of Apollo 17, we look back at iconic photos as well as rarely seen images from the mission.