SUNSET: 
Photographers “Capture the Dark” with Stunning Images of the Night
Stunning images of the night remind us why we need to protect dark skies. See the photos that won the International Dark-sky Association's contest.
New Horizons' "Alien View" from the Outer Solar System
NASA's New Horizons mission deep in the Kuiper Belt has measured the parallax to two nearby stars with the help of Earth-based observers.
First Discoveries of a Pro-Am Exoplanet Survey
A pair of professional and amateur astronomers have teamed up to fill an important niche in exoplanet research.
Explore Solar System Worlds with NASA’s Image Archives
Have some time on your hands? Explore NASA's rich image archive and discover the solar system as you've never seen it before.
New Horizons Recruits Amateurs to Sight Stars
The New Horizons team wants you to help measure the distance to two stars, yielding the longest-ever baseline measurement of a key cosmic yardstick.
The 2020 Chambliss Amateur Achievement Award Goes To Dennis Conti
Each year, the American Astronomical Society confers the Chambliss Amateur Achievement Award for significant astronomical research carried out by an amateur astronomer. This year the award goes to Dennis Conti of the AAVSO.
Report from the 2019 Advanced Imaging Conference
S&T Associate Editor Sean Walker gives a rundown of last week's astro-imaging conference.
Do You Take Spectra? Here's Where to Store Your Data — and Contribute to Science
A new database from the American Association of Variable Star Observers enables astronomers (amateur and professional alike) to store data from any variable object in the sky.
Citizen Science: Projects & Collaboration
Citizen Science with the Transit of Mercury
If you're planning on watching the November 11th transit of Mercury, try kicking it up a notch — watch with a friend and calculate the distance between Earth and the Sun!
From Lunar Flashes to Variable Stars: Pro-Am Astronomy Projects
Track satellites, spot flashes on the Moon, monitor violent stars — learn how amateur astronomers can become involved in professional science.
Amateur Planet Hunters Have a New Online Resource
A database run by the American Association of Variable Star Observers will organize and archive data on transiting exoplanets collected by amateur astronomers.
Explore the Night with Bob King
How Dark Is Your Night Sky?
Traditional and digital tools can help you learn the naked-eye magnitude limit of your sky and find out if the darkness has changed at your observing site.
Citizen Science: Projects & Collaboration
The Eclipse as Seen by Citizen Scientists
Some academic and citizen-science groups came up with neat initiatives for eclipse day. Let’s find out how they did.
The Eclipse Megamovie Project
Join a citizen-science campaign on August 21st to record 90 minutes of the Sun's changing corona. You'll need your smartphone and the Megamovie Mobile app.
Citizen Science: Projects & Collaboration
Citizens Spot Cold World 100 Light-years Away
Citizen scientists have discovered a brown dwarf 100 light-years from the Sun, and more finds are sure to come from the Backyard Worlds citizen-science project.
Help Astronomers Track a Giant, Ringed Planet
The possible discovery of a massive ringed planet in Orion needs confirmation — and amateur astronomers can help.
Starry Success: Protecting the Night Sky Above La Palma
Ten years ago, La Palma was declared a "Starlight Reserve" and measures were implemented to protect its skies from light pollution. How did they work?
Find New Worlds, Film an Eclipse & Do Some Citizen Science!
Hankering to discover new solar systems or understand our own? These citizen science projects and public data troves will help you fill your free time.
Explore the Night with Bob King
Comet Campaign Seeks Imagers Worldwide
Calling all imagers! Three comets will make close flybys of Earth over the next two years. Join a new pro-am effort to make the most of this rare triple play.
Measuring the Impacts of Light Pollution
Light pollution is pervasive, and its impact on people is larger than you might think.
