We once used to embrace a 13-month calendar, and some cultures still follow this format. So why are they 12 months instead of 13?

Due to the lunar cycle of the Islamic Hijri calendar, Ramadan and Eid occur approximately 11 days earlier each year.

Discover the significance of Eid-ul-Fitr 2025, a festival of unity and gratitude, with its date hinging on the sighting of ...

Easter is observed on the first Sunday after the first full moon following the spring equinox. If it seems as if Easter is ...

As Iranians celebrate the Persian New Year, explore the fascinating calendars still used around the world—shaped by sun, moon ...

The next total lunar eclipse will be on Sept. 7-8, 2025, visible in parts of Asia and Australia, with totality lasting 82 ...

The first total lunar eclipse in more than two years lit up the sky last night as humanity, forever fascinated with the Earth ...

The glow is produced by light from a fully illuminated Earth reflecting off the lunar surface. Space.com's skywatching columnist Joe Rao explains the phenomenon in more detail in this interview ...

Overall, it typically takes up to three hours and 38 minutes for the Earth to pass in front of the moon, during which time the natural satellite will enter the Earth's penumbra, lighter outer shadow, ...