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

Monroeville Public Library is holding a three-part children’s series on space, where participants learn fun facts about the ...

Did you know that stars are so far from our solar system that constellations would look the same if we were to view them from other planets? Learn more with our fun facts of the day! Go Back ...

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

While the planets won’t be perfectly aligned, their placement will follow the orbital plane of our solar system. Which planets are parading in January and February? The January planetary ...