Photographer Petr Horálek observed both a lunar eclipse and a galaxy of stars from the the US National Science Foundation’s ...

Raman spectroscopy uses scattered light to identify a substance's chemical ingredients and is one of the most widely used ...

Dhul Hijjah 1446 AH crescent sighted across India, Shia-Sunni Moon Committees announces Bakra Eid/Bakrid/Eid-ul-Zuha date for ...

The crescent moon signaling the start of Dhul Hijjah was spotted on Tuesday, May 27 in multiple countries. This marks the ...

Eid Al Adha, also known as the Feast of Sacrifice, celebrates Prophet Ibrahim's willingness to sacrifice his son based on ...

Strawberry moon will be at full illumination June 11, the latest of the full moons tied to Native American tradition.

A breakdown of how to get the most out of the different moon phases, from the new moon through waxing, full, and waning ...

A mysterious monument hidden for 12,000 years in Turkey is revealing secrets about how ancient humans might have tracked time ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...

Easter is a "moveable feast" that follows the lunar cycle of the Jewish calendar, the Almanac says. The holiday's date is always the first Sunday after the full moon that occurs on or after the ...

In Saudi Arabia, Ramadan started a day earlier on March 1. The Islamic calendar is based on the lunar cycle, and the start of each Hijri month is determined by the sighting of the crescent moon.

Unlike other holidays, Eid is not fixed to a specific Gregorian date. Due to the lunar cycle of the Islamic Hijri calendar, Ramadan and Eid occur approximately 11 days earlier each year.