This graphic depicts the location of the Earth, Sun and Moon during the lunar phases throughout each month. Credit: Credit: NASA/JPL-Caltech What are the Moon’s Phases?

For skywatchers in the northeastern U.S. and Canada this week, it will appear as though the moon took a bite out of the sun. The eclipse will occur in the early hours of Saturday, March 29 ...

The full moon falls in the midpoint of the lunar cycle when the Earth is positioned directly between the sun and the moon. The moon takes about 30 days to orbit the Earth, which is the full lunary ...

The red sun and moon over northeastern U.S. states this week came with a series of air quality alerts that impacted millions of people over the weekend and into Tuesday, some living as far west as ...