Plakha Alexander — amateur astronomer, owner of Astro-Gadget.net, and Ukrainian — shares his experiences since Russia's invasion began.
A small group of amateurs teamed up to measure the parallax, and thus the distance, to a near-Earth asteroid as it passed by our planet.
The University of Colorado, Boulder, has unveiled a 1:10 billion scale-model solar system with an interactive sound experience.
In the hills of northern California, a teenager discovered a comet's tail — and a lifelong passion for stargazing.
Telescope operator Carla Johns is a medium to the stars.
Teaching the night sky to the blind and low-vision community opens up new ways of experiencing the cosmos.
The recent total solar eclipse visible from Chile and Argentina had some surprises: Photos revealed a total solar eclipse and comets not seen by eye.
Amateurs have found and visually confirmed a planetary nebula, St-Dr-1.
A well-traveled geophysicist recounts his curious findings at a prominent geographic benchmark in the Southern Hemisphere.
Amateur astronomer Jeffrey Kretsch tells how a local astronomical society turned a former Cold War missile control site into a thriving observatory park.
Can a $400 observatory built from old shipping crates and a dome riding on golf balls withstand the harsh environments of the Rocky Mountains for 37 years?
Reader Michael Rossacci shares the story behind his capture of the January 20, 2019, total lunar eclipse.
Fifty years ago today was the launch of Apollo 8: the first manned mission to (and around) the Moon. In England — far from the launch but not the excitement — a young man glimpsed the rocket on its way.
Inspired by a "Sun, Moon & Planets" column, the author spent the spring of 2017 tracking Venus's retrograde motion across the sky, exploring the relationship between the orbits of Venus and the Earth pointed out by Copernicus.
The authors had the chance of a lifetime to see true dark skies when they joined the June 2018 cohort of the Astronomy in Chile Educator Ambassadors Program (ACEAP).
The author shares his encounters with Mars at perihelic opposition over the course of his years as an amateur astronomer.
A dazzling day greeted S&T Observing Editor Diana Hannikainen when she attended the Stellafane Convention this past August, but it was the dome of night sky that truly sparkled.