You can tell spring has officially begun in the Northern Hemisphere just by looking at the stars. Here's how to easily spot the Spring Triangle without a telescope.

The Sirius star is also called the Dog star. The Dog star is a part of the Canis Majoris, or "Big Dog" constellation. Experts say the best sightings during winter, for those in Northern latitudes.

In Greek mythology, Orion was a hunter and the son of Poseidon, who was said to be placed among the stars by Zeus, creating the striking constellation ... and mythology. Sirius has Greek roots ...