The Biggest Planet In The Universe Is TerrifyingSome planets are so bizarre that they sound like science fiction, yet astronomers believe they are very real. In a journey across the universe's most ...

A fifth planet has been discovered around a nearby star, making it the largest planetary system known outside our own. The planet appears to be a gas giant like Saturn, but scientists say any large ...

Jupiter, the largest planet in the solar system, is slightly smaller and flatter than scientists had believed for the past 50 years, according to a breakthrough discovery by Israeli researchers.