Most of the US is bracing for a prolonged stretch of frigid weather and a massive winter storm that could wreak havoc on roads and power grids over the next several days. At least 170 million American...
Learn how to spot Sirius, Procyon and their canine constellations, and discover the myths and science behind the dog stars....
From Orion's glowing nebula to the sparkling Pleiades, these winter targets reward anyone willing to brave the cold....
With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky....