As of Tuesday, July 29, the moon phase is Waxing Crescent. There's 23% of the moon's surface visible to us on Earth ...

Saturn will rise above the eastern horizon beneath the stars of the constellation Pisces shortly before midnight for viewers ...

The next full moon is Saturday, Aug. 9, and is sometimes called the Sturgeon Moon. It gets that name from when "The Great ...

Waning Gibbous - The moon starts losing light on the right side. Last Quarter (or Third Quarter) - Another half-moon, but now the left side is lit.

Predicting the precise path of a new asteroid or comet is a complex affair; the more observations you have, the better you know where an object will be, years hence.