Pluto was once called the ninth planet, but in 2006, scientists changed its status to a dwarf planet. A planet must clear its orbit of other objects, but Pluto shares its space with many small icy ...

Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...

Griff Griffin is a Newsweek pop culture writer based in London. His focus is reporting on movies, streaming, and everything happening in the world of entertainment. He has in-depth knowledge of ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

Venus may be far more geologically alive than anyone expected. New research suggests its outer crust could be churning with ...

Imagine the solar system's planets throwing a Bollywood dance party. Each planet has its unique dance move. Mercury moves quickly, Venus glides sensua ...