In an ongoing study of the heavens by the kids in Jayne Doxsey’s homeschool classes, Wednesday they learned about the phases of the moon. Doxsey spends an hour twice a day, twice a week, every two ...

Watch the moon phases and libration for 2024, as seen from Earth's Northern Hemisphere, in this time-lapsed animation that is set at hourly intervals. Video credit: NASA’s Goddard Space Flight Center ...