December solstice 2015 is coming on December 21 or 22 (depends on your timezone). Celebration time!
How to watch a meteor shower. Tips for beginners.
Peak night for the Geminids in 2015 is December 13 (morning of December 14). Best around 2 a.m. The meteors are already flying!
Plan some astronomy fun for the coming year.
Although the lunar month has a mean period of 29 days 12 hours and 44 minutes, the actual length varies throughout the year. Lengths of lunar months in 2016.
Light is the fastest-moving stuff in the universe. It travels at an incredible 300,000 kilometers (186,000 miles) per second. So, in a year, light travels far.
Here are all the details you need for 2015’s Leonid meteor shower, peaking on the morning of November 18.
We’ve been hearing reports of Taurid fireballs! It’s time to start watching for them. Details on the South Taurid shower, and when to watch.
If you’re a beginning stargazer or a veteran of thousands of starlit nights, binoculars can be your best friend. Here’s how to get started.