Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

Understand how your Sun and Moon signs together shape your personality, emotions, and life approach. Learn why knowing both ...

The next black moon will occur on Aug. 31, 2027, as per the first definition of the second new moon within a single calendar month.

Historical observations of the Moon's motion, dating back to ancient civilizations, played a crucial role in the development of timekeeping and calendar systems. The Moon's orbital cycle can be ...

On December 19 at 8:43 p.m., the sun and moon will meet in the optimism is my religion, lemonade-out-of-lemons, highway-is-my-home sign of Sagittarius. The mutable fire sign is associated with action ...

In 2026, many people will hear the same strange phrase repeated again and again. The Sun will briefly disappear. It sounds ...

A number of factors determine the visibility of the moon during the daytime, chief among them the scattering of the sun’s ...

Is a sun a star or a planet? Current definitions define a star as a body that generates its own energy. While humans have relied on the sun for hundreds of thousands of years, it's only in the last ...

Editor's note: WOW, the full moon did not disappoint and we've got the photos to prove it! Head over to our Buck Moon wrap story to see some of the best shots from around the world. Heads up ...

Space is theater. Perhaps the most dramatic spectacles human beings will ever observe are the result of the eternal dance among the cosmos’s moons, planets, stars, and more. A close-to-home sky show ...

This isotope is found at a ratio of about one per 2,500 helium-4 ions, the latter being the common version of helium. When you purchase through links on our site, we may earn an affiliate commission.

Set a middle-of-the-night alarm and turn your eyes to the sky! There’s a total lunar eclipse that starts late-night tonight, Thursday, March 13, and it will reach totality in the early morning hours ...