Do moon phases affect fishing success? Explore the history of Solunar theory and see how the Citizen Tsuki-yomi A-T watch lets you track moon phases in style.

NASA astronaut Matthew Dominick captured this amazing view from the International Space Station using a new 15mm lens (T1.8, ...

Key Takeaways: A Full Moon happens when the Earth is between the Sun and the Moon. The Moon's orbit causes changing sunlight reflection, creating different phases.

See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

In 1839, the president of Harvard University invited William Bond to move into a house on campus and, by virtue of bringing along his own astronomical equipment, become the university's first ...