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 ...

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 ...

Most people would think that Earth only has one moon, but in reality it's had multiple moons on more than one time. And right ...

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 ...

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," ...

It sounds like something out of a science-fiction movie. For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more than just a ...

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 ...