Geoff Gaherty

The Geminid meteor shower peaks this week. Here's how to see it.

On Friday, much of the world will have the opportunity to observe a Blue Moon: A somewhat rare occurrence that doesn't have anything to do with the moon's color.

Stargazers can start the New Year off with a bang this weekend as the first meteor shower of 2015 reaches its peak on Saturday night (Jan. 3). Here's how to see the 2015 Quadrantid meteor shower.

Millions of people across North America will have a chance to observe a partial solar eclipse next week, weather permitting.

Vesta, the brightest and second largest asteroid, can be seen in the constellation Capricornus.

Skywatching tips for how you can view six planets aligned above the rising sun.