Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Planets turn retrograde when they appear to be moving backwards from our vantage point on Earth. When a particular planet goes retrograde, the themes of that planet will be impacted. Retrogrades get a ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...