Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

The discovery of a new celestial object in the Earth's neighborhood has created a buzz online asking whether the planet now ...

Earth still only has one true natural satellite — our 2,159-mile-wide moon oribiting about 239,000 miles away. However, ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

NASA just confirmed that a quasi-moon has been orbiting since 1960. Here is everything to know about what is being called a "second moon." ...