Astronomers have confirmed a world less than a million years old as the youngest known planet, using data from archives.

Our satellite joins the Red Planet among the stars of Gemini the Twins, visible before dawn, with Jupiter also on view in ...

Sheppard joined Carnegie as a prestigeous NASA Hubble Fellow in 2004 and was appointed to a faculty position in 2007. He ...

Mercury, Venus, Mars, Jupiter and Saturn are all visible this September. Here's when and where to look.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Sky-watchers who saw the Venus-Jupiter conjunction on ...

Brown dwarf planet formation may be possible after Webb detected a disk around an object estimated at twice Jupiter’s mass.

But what exactly is a planet? It seems like an easy question. After all, you’re standing on one right now! But the scientific ...

Galactic Racer at launch in October, and at the forefront are the vehicles and planets players can explore. Naturally, in a ...