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

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

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

Skywatchers: A six-planet alignment peaks this week as Mars, Jupiter, Uranus, Neptune, Venus, and Saturn come together for ...

Welcome to this month’s edition of “What’s up in the sky?” February has a nice lineup of planets and some eye-catching ...

Venus, Mars, Jupiter, Saturn, Uranus, and Neptune will align ... nine if you count dwarf power planet Pluto. Because we live on Earth, the max number of planets we can see from our vantage ...

Six planets are still aligned in London skies tonight (Sunday, January 26) and will remain so until about mid-February. So if ...

Stargazers, prepare for the parade of planets that will take place over the next few nights in the sky. Here's what you need ...

An alignment of six planets will dazzle in January 2025. Venus, Mars, Jupiter, Saturn, Uranus and Neptune will align in the ...

Beautiful photos of the six planets aligned in the night sky have emerged online. Mars, Jupiter, Uranus, Neptune, Venus and ...