When mortal Castor died, Pollux pleaded with Zeus to share his immortality with his brother. The god agreed, and the two ...

Now that the evening sky is Moon-free, it's time to aim for fainter targets, including 12th-magnitude Comet 333P/LINEAR.

Satellite internet got better and cheaper. Speaking of Space Age inventions, satellites had quite the year. More specifically ...

The meteors, which are small pieces of interplanetary debris, appear to radiate from near the bright star Castor in the constellation Gemini. The next meteor shower, the Ursids, will peak on 22 ...