Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

A rare image reveals a giant planet clinging to two stars, helping scientists understand how planets survive in chaotic star ...

The galaxy is getting messy: astronomers have found planets that meander around space without neatly orbiting a star. This contradicts everything we learned in our 8th grade science class.

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is only the third to be found on the outskirts of our galaxy's dense central ...

WASHINGTON, June 4 (Reuters) - Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star. The discovery defies current understanding of ...