The American Medical Association has released a report detailing several possible health concerns related to nighttime light exposure. But some lighting researchers worry the conclusions are more alarmist than is warranted.
If you're a serious stargazer with good gear, a passion for observing, and some free time, a team of astronomers at Lowell Observatory hope to hear from you.
A nova visible in good binoculars was spotted July 7, 2012, by observers in Japan.
Both Pluto and the star are 14th magnitude, but observers with big telescopes and sufficient video capability should try to record this important event.
If you're an amateur observer with decent equipment and an itch to do some serious observing, a team from the OSIRIS-REx mission wants to hear from you!
Join thousands of other "citizen scientists" in raising dark-sky awareness around the globe.
When observers fanned out last July 19th to record a binary asteroid's passage across a distant star, they hoped to gain scientifically important new findings. The results are in, and they've scored big-time!
Kevin Schawinski the co-founder of galaxy zoo discusses the project and the future of citizen-science projects
Arizona amateur Bruce Gary is assembling a pro-am team to look for planets orbiting dead stars.
On November 3, 2010, two amateurs in Japan discovered an 8th-magnitude comet visually. It's visible in binoculars.
Take part in this year's Great World Wide Star Count, and you'll be joining thousands of other "citizen scientists" in raising dark-sky awareness around the globe.
"Light echoes" off dust clouds far from an old supernova are still providing replays of the explosion as seen from different directions. They show that the explosion was asymmetric.
For anyone in a 25-mile-wide path right across Los Angeles, a bright star in Ophiuchus will wink off for several seconds in the predawn hours of April 6, 2010.
California's comet-hunting veteran Don Machholz bagged his 11th discovery on March 23 and 26, 2010. It's a faint diffuse comet, low in the morning sky.
Japanese amateur Koichi Itagaki, of recent comet fame, has just discovered a nova near Rigel on November 25, 2009.
Backyard astronomers of all types and experience levels can participate in a real-world science project — and help solve a mystery involving the star Epsilon Aurigae that's puzzled astronomers since 1821.
Thanks to a full-court press by a cardiologist with a passion for astronomy, the American Medical Association has taken a stance in the fight to make outdoor lighting more benign to humans — and to the stars above.
On November 7, 2008, 14-year-old Caroline Moore of Warwick, New York, discovered a supernova in the galaxy UGC 12682, making her the youngest person ever to find an exploding star.
On March 26, 2009, Korean amateur Dae-am Yi caught the small, greenish glow of a new comet with his Canon camera.
On the morning of Friday, Jan. 9, from 10:55 to 11:06 UT, asteroid 1963 Bezovec occults the 8.3-magnitude star HIP 64220 in a narrow path from Baja California through Texas to New England and Nova Scotia.
During January 2009 a faint star in Cepheus will fade, as it does every five or six years, when "something" goes in front of it.
Light pollution is most amateur astronomers' worst enemy. Learn here how to measure and describe how brightly your sky glows.
Late Monday night, October 6-7, 2008, a tiny asteroid will enter Earth's atmosphere over Sudan, creating a spectacular explosion in the night sky.
An unexpected meteor burst was detected on the night of September 8-9. Bill Cooke of the Marshall Space Flight Center is urging meteor watchers to see if the activity continues on the night of September 9-10.
Amateurs have helped lead the way in recording the flashes of meteoroids hitting the Moon's night side.