Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

Feel like something's gotta give in your daily life? That nagging inner voice telling you it's time to get crystal clear on ...

This was an unexpected and coincidental discovery of a small, icy, egg-shaped planet in the outermost reaches of our solar ...

Plus, catch Saturn and Neptune at their brightest; spy the "string of pearls" galaxy; and a close encounter of the moon and ...

September’s Full Corn Moon is eclipsed for some observers, Titan passes behind Saturn, and Mars moves north of Spica in the ...

Saturn and Neptune reach opposition, looking their best for the year. Jupiter and Venus shine bright before dawn, as does the zodiacal light.