Astronomers have assembled an armada of telescopes to observe Uranus in a way that hasn't been possible since the 1960s.
The year's best grazing occultation in North America occurs on June 19-20, 2007, when the waxing crescent Moon covers Regulus (Alpha Leonis).
Photometric recordings of Pluto passing near stars, as on the night of May 11-12, 2007, could reveal if it has a ring system.
A very old dust trail from Halley's Comet could enhance this meteor shower on May 6, 2007.
On Tuesday evening, April 17, 2007, observers in Georgia and Florida will get a chance to watch asteroid 411 Xanthe cover the 4.2-magnitude star Iota Cancri.
From late April through mid-May 2007, professionals are seeking amateur observations of four X-ray binaries and a cataclysmic variable star.
The International Occultation Timing Association (IOTA) announced on April 3, 2007, the release of a free e-book, Chasing the Shadow: The IOTA Occultation Observer's Manual.
On March 29, 2007, two new white spots appeared on Jupiter. Keep watch as they develop over the coming weeks.
After a two-year search, on March 15, 2007, Australian amateur Terry Lovejoy found his first comet.
The countdown has begun for this important occultation of a 15th-magnitude star by Pluto, due to occur on Sunday morning, March 18, 2007.
The best occultation of a star by Pluto ever predicted for North America will occur between 10:40 and 11:00 Universal Time on Sunday morning, March 18, 2007.
Observers watching the eclipsed Moon with binoculars in northeastern North America on March 3, 2007, wiill see a 5th-magnitude star wink out.
Join our e-mail rapid-response network if you're ready, willing, and able to provide follow-up observations to professionals studying transient sky events.
Bright skies aren't empty skies. See for yourself how many treasures lie hidden in the glow of a city sky.
This flyer (which can also be printed as a PDF) tells you everything you and your neighbors need to know about how to address light pollution in your neighborhood.
A primer on light-pollution jargon
How to light your home safely, save energy, and decrease light polluion at the same time.
In the war against light pollution astronomers have gained important new allies -- and new insights into how we see at night.
You don't have to fight city hall. To ban bad lights, make city hall your friend.
The next time a massive star explodes in the Milky Way, it will cause a mad scramble among amateur and professional astronomers.
With this kit, you're ready to identify stars that explode.
Whether you scan the heavens with your eyes, a film camera, or a CCD chip, you've probably got what it takes to find the next galactic supernova.
Despite decades of observing in relative isolation from one another, professional and amateur astronomers began to come together in the 1980s.
It has never been easier to explore the fascinating world of astronomical spectroscopy with backyard telescopes.
Somewhere in our galaxy a time bomb is ticking down. When the next supernova blows up, will you be ready?