November’s new moon arrives Monday, beginning a lunar cycle that will end with the first of four consecutive “supermoons” on ...

Earth has a new moon, but don’t get too attached. Earth has a new moon, but don’t get too attached. Our planet’s gravity ...

Don’t blink, or you might just miss Earth’s newest natural satellite. Astronomers have officially confirmed that a tiny, near ...

That change is tiny compared with the approximately 239,000 miles (384,400 kilometers) separating Earth and the Moon on average. Yet over millions of years, this gradual separation influences Earth’s ...

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 ...

It's the first Moon of November.

The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...

In some parts of the world, the sea barely rises and falls with the tides. In others, the difference between high and low tide is dramatic. Along Western Australia's Kimberley coast, for example, it ...