SUNSET: 
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?
Citizen Science: Projects & Collaboration
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.
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.
Amateur Astro-imagers Get Ready for Juno
Planetary scientists are counting on amateur observations to enhance the results from NASA's forthcoming Juno mission.
NASA's Kepler Spacecraft Recovered from Emergency Mode
The Kepler team unexpectedly found the planet-hunting spacecraft in emergency mode on April 7th, but with the spacecraft recovered, hopes are high that its newest search, this time for rogue planets, is still on. Read on to see how amateur observations can help!
Are You Game for April's Lunar Observing Challenge?
With astronomy being celebrated around the globe this month, join the fun by participating in a unique lunar observing challenge: track down 20 features once thought to show evidence of change from weather, geology, and even life.
It's International Dark-Sky Week!
What began as a student's simple idea a decade ago has grown into a worldwide celebration of the night sky and easy ways to reduce light pollution.
Help Keep Our Skies Dark — Join IDA Today
It's high time that we amateur astronomers got serious about protecting the night sky from light pollution.
Citizen Science for the Great American Solar Eclipse
Solar scientists hope an armada of amateur astrophotographers can record the inner corona’s evolution throughout the 2017 total solar eclipse.
Citizen Science: Projects & Collaboration
The Kavli Foundation Q&A: How Does Citizen Science Drive Discovery?
Crowd-sourcing the universe: Thanks to online portals, legions of volunteer astronomers are turning their eyes to the sky and doing extraordinary science. Three scientists discuss the future of citizen astronomy.
Rate the Darkness of Your Sky
A new website shows how light pollution spreads around the globe — using data gathered by its users.
Participate in Hubble Exoplanet Collaboration
Take part in a collaborative project that will unite amateur and Hubble Space Telescope observations to better characterize nearby exoplanets.