Bookmark this calendar and look for updates from Mashable ... no earlier than spring 2025. Lucy spacecraft flies by asteroid: April 20 NASA launched the Lucy spacecraft on a grand 12-year asteroid ...

February is packed with interesting observances, but one that stands out is Leap Day—and the Leap Year that makes it possible! If you’re wondering “When is the next leap year?” or curious about why we ...

The date of Easter here is calculated using a modified Julian calendar versus the Gregorian calendar observed by the Christians and countries in the west. Good Friday is considered to be a sacred day ...