called the Gregorian calendar, based on the solar year. A lunar year contains 12 lunar months, which are based on the time it takes the moon to go around the Earth. Twelve lunar months are equal ...

One of the principal issues is that a lunar calendar year does not sync with a solar calendar year. There is approximately 11 days difference between the lunar and solar years. These 11 days, over ...

The calendar may depict a devastating comet strike and represent the earliest observations of solar and lunar movements.

The May full moon will be a special treat for stargazers as the Flower Moon will reach its peak across UK skies.

You can see a new moon when it crosses the face of the sun during a solar eclipse ... from a fully illuminated Earth reflecting off the lunar surface. Space.com's skywatching columnist Joe ...

Unlike a total solar eclipse ... If you miss this opportunity, mark your calendar for Sept. 7, when the next total lunar eclipse will be visible from Europe, Africa, Asia and Australia.

Future lunar bases could be powered by solar cells made on-site from melted moon dust. Building items on the moon, using materials that are already there, would be more practical than shipping ...