Think you know your way around the solar system? From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn’t just ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

One of the most enduring and surprisingly prolific science fiction film franchises is "Planet of the Apes," loosely based on the 1963 novel by French author Pierre Boulle. Adapted by sci-fi genre ...

About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But ...

"We reference the planets as symbols to better understand our lives," PEOPLE's resident astrologer Kyle Thomas says Skyler Caruso is a Writer and Reporter of PEOPLE Digital Entertainment. She joined ...

Snapchat Planets, part of the Snapchat Plus Friend Solar System, ranks you in a friend’s top 8 based on your interactions, from Mercury (#1) to Neptune (#8). Each friend has their own solar system ...

Here's everything you need to know about this week's parade of seven planets. Getty Images A seven-luminaries-deep parade of planets will line up and light up the night sky this week, folks. Just ...

A magical planetary spectacle known as a "parade of planets," where all seven planets aside from Earth will appear to line up across the night sky, peaks this week. Here what you need to know on how ...