As protests against the construction of the Thirty Meter Telescope continue, the directors of Maunakea Observatories have taken the unprecedented move of closing all observatories atop the mountain.
Some of the world's largest telescopes will be watching as the Moon blocks the Sun's disk and reveals its corona on July 2, 2019.
The invasion of occupied France on June 6, 1944, changed the course of the Second World War. Astronomy played a crucial role in the timing of the event.
It’s that time of year again! It’s Astronomy Day! Join fellow enthusiasts on Saturday May 11th for a plethora of fun and exciting events in celebration of all things astronomical.
There are some 25,000 near-Earth asteroids with diameters more than 140 meters. Amateur astronomers can find them — and the Planetary Society can help.
Sky & Telescope editors reconnected with readers at NEAF, where astro-enthusiasts were treated to astro talks, activities, and equipment galore.
Amateur astronomer Rick Johnson undertook the monumental task of building his own observatory and compiling a catalog of objects he has observed.
The RASC turns 150 on December 1st! Join us in wishing them all the best on this historical milestone.
Fasscinated by our Moon? Want to know more about it? Join fellow lunar enthusiasts on Saturday, October 20th, for International Observe the Moon Night!
Expanding planetary nebulae, X-rays from supermassive black holes, and stellar community involvement were all on display at the youth awards presented at this year’s Astronomical League convention.
Last weekend the 10th edition of what has become a major stargazing event drew thousands of visitors to Mount Desert Island in Maine.
The editors of Sky & Telescope report experiences from last weekend's Northeast Astronomy Forum (NEAF) in Suffern, New York — one of the busiest years ever for the world's biggest astronomy trade show.
There’s a simple rule for anyone searching for a dark sky; go somewhere others are not. The spread of LED lighting in North America over the past decade or so has worsened light pollution and skyglow in many previously dark locations. However, the vastness of the U.S. means there are…