Astronomers and Starlink Partner for Quieter Radio Sky
Astronomers and Starlink engineers have developed a technique to significantly reduce satellite radio pollution affecting astronomical observations.
Observers’ Report: First Views of the Chinese “Thousand Sails” Satellites
Amateur astronomers have shown that the first satellites of the Chinese Qianfan (“Thousand Sails”) constellation are bright enough to be seen naked-eye.
High School Citizen Scientists Join the Hunt for Exoplanets
A group of high school astronomy students helped confirm and characterize a planet slightly smaller than Saturn that closely orbits its star.
New Observatory Opens in the Young Country of Kosovo
Europe's youngest country has inaugurated its new observatory and planetarium, and folks far and away joined the festivities.
You Can Name a (Quasi) Moon!
A new, official competition allows anyone to propose a mythology-based name for a "quasi-moon," an asteroid that orbits the Sun alongside Earth.
Starlink Flares Can Fool Anyone — Even Airline Pilots
Starlink satellites can flare as brightly as Venus, confusing ground observers and airline pilots alike.
The Totality Experience: S&T’s Eclipse Stories
With Sky & Telescope’s editors and writers scattered across the eclipse path, we have dozens of stories to share. Here are a few.
A Century of Sky, Digitized
The Harvard College Observatory's glass plates, which record a century of changes in the sky, have now been converted into digital form.
April Fool’s on the arXiv, 2024 edition
On this April 1st, astronomers reveal fascinating discoveries inspired by astrology, pasta, Star Wars, and flamingos.
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.
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.