A NASA map shows the regions across the Northern Hemisphere where this weekend's partial solar eclipse will be visible, how ...

The moon slipped between the Earth and the sun on Saturday, casting a shadow on our planet in parts of the United States, ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

You can tell spring has officially begun in the Northern Hemisphere just by looking at the stars. Here's how to easily spot ...

A star map overlay can be introduced to the ... You don't need anything other than a Northern Hemisphere constellation projection. That is all you get from this tiny device.