Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.

This year, the world is witnessing a moment of astronomical coincidence, as the first of Ramadan in the Hijri calendar coincides with March 1, 2025 in the Gregorian calendar astronomically, according ...

The Romans added January and February to the calendar but ran into a problem — math and superstition. Here's why February ...

By Marco Elsy Ah, February. The runt of the calendar litter, the month that even the Romans couldn’t be bothered to flesh out ...

The SIRIUS-23 project could help our species take the next giant leap ... a year-long biomedical isolation experiment simulating the conditions of deep-space travel and lunar surface operations.

The original Roman calendar divided the year from March to December into 10 months of either 29 or 31 days, based on lunar cycles ... including a leap day in February every four years ...

However, because a lunar year is slightly shorter than a solar year, an extra month (leap month) is occasionally added to realign with the sun’s movement. The calendar plays a crucial role in ...

The Chinese New Year, also known as the Lunar New Year, is a significant traditional festival celebrated in China and other East Asian countries. Starting on January 29, 2025, it will usher in the ...

In honor of the Year of the Snake, let’s appreciate the strange anatomy and evolution of these slithery reptiles ...

Lunar New Year horoscope as it kicks off on Jan. 29, 2025. What the Year of the Wood Snake means for you based on your ...