This week in Skywatch, I want to go back to basics when it comes to the moon. So why does the moon change shape? Why is it a crescent on one night, a half-moon another night, and a full moon on yet ...

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 ...

Does the earth have two moons? A quasi-moon has appeared in the sky, but what is the story with the rock orbiting our planet ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

The discovery of quasi-moon PN7 has caused a stir on social media. A University of Oregon astronomy professor explains. what ...

A small companion has been following Earth's exact path around the sun, with astronomers calling the object a quasi-moon ...

Archival data revealed that the object has been in an Earth-like orbit for around six decades. Some four million kilometers ...