A planet twice the size of Jupiter has been confirmed in Nu Octantis. Its retrograde orbit and origin raise new questions about planetary formation in binary systems.

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

When Mercury trines Pluto retrograde on May 27, you could have an unmistakable sense of “I can’t unsee this,” where you ...

Scientists suggest a star and its planet are orbiting a second star in two opposite directions in an exotic binary star ...

One example of this is when there is a binary star system that is orbited by a large planet that travels along a polar path ...

Astronomers have discovered a remarkable planetary system that challenges long-held assumptions about where planets can ...

A small international team of astronomers has confirmed that a binary star system with an odd signal has a companion—a planet ...