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

But because planets always appear in a line from our Earth-bound vantage, the alignment isn't anything out of the norm ... The planets in our solar system orbit the sun essentially along a ...

then it could disprove the notion that there is a ninth planet lurking out in the darkness of our Solar System beyong Neptune. But should the orbits of the new objects follow the trend ...

Most of the information we have about planets beyond our solar system (exoplanets ... as it will seem to block out more of the star's light, or they might infer the planet is hotter than it ...

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the month – four of which will be visible with the naked eye, Preston Dyches, ...

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 ...