On Saturday evening you’ll have a chance to catch a celestial show that’s being called the “Parade of Planets” as a planetary alignment will be visible shortly after ...

All of our solar system’s planets are lining up in the night sky at once this week. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known as a great ...

On February 28, in the evening and at night, Ukrainians will be able to see a rare phenomenon when six planets line up in one ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

For decades, our solar system was thought to have nine planets, with Pluto considered the smallest and farthest. But in 2006, Pluto was officially reclassified as a dwarf planet by the International ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Astronomers have found a distant celestial body — ...

A planetary scientist and a young astronomer give tips on how to find the six planets that will be visible during the planet parade on Saturday.