Purgathofer-Weinberger 1, a faint planetary nebula about 1,300 light-years away, is the second-largest planetary nebula in ...

Here is a list with three objects per season which appear really large in the nighttime sky. ... At 5,000 light-years away, the star cluster at its center is magnitude 4.8, ...

A comet, now known as 3I/ATLAS, with 3I short for "third interstellar," sparked immediate excitement on July 1 when it was ...

Light pollution shown for Europe, Africa, the Middle East and India using data from the newly released world atlas of artificial night-sky brightness. (Image credit: The authors of the manuscript ...

A Perseid meteor streaks across the sky above desert pine trees on Aug. 13, 2015, in the Spring Mountains National Recreation Area, Nevada. This year, the Southern Delta Aquariid meteor shower ...

Large fireball lights up night sky over England. By Ben Hooper. ... The ball of light was caught on video by Derby, England, resident Gary Rodgers' doorbell camera about 11:35 p.m. Monday.

Zodiacal light glows in the sky at the European Southern Observatory's Very Large Telescope at the Paranal Observatory in Chile. (Image credit: Yuri Beletsky/ESO) ...

All human development, from large cities to small towns, shines light into the night sky. Benny Ang/Flickr, CC BY This article was originally featured on The Conversation .

On the night of May 16, a large beam of light resembling a spotlight was seen shooting into the night sky in the Southwest, but its source remains unknown.. A Facebook post sharing the mysterious ...