The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

To understand what happened to Pluto, we must actually go back to the ... eventually showed it to be much smaller than Jupiter, Saturn, Uranus, and Neptune. In many ways it more nearly resembled ...

Today, as Saturn and Pluto make a minor, slightly irritable connection, we might feel hesitant about choosing what we know is ultimately the best option. Fortunately, this feeling will soon pass ...

"We were definitely surprised by the 'kiss' part of kiss-and-capture. There hasn't really been a kind of impact before where the two bodies only temporarily merge before re-separating!" ...

NASA Voyager 1 probe discovers Saturn’s moon, Epimetheus. Saturn would be the last planet Voyager 1 would visit before ...

This week’s aspects echo both on a very personal level, as Venus lingers close to Saturn in sensitive Pisces, and on a ...