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 ...

Even as a drone hovered above to get this shot, a large male polar bear that photographer Martin Gregus, Jr., calls Scar never stirred in this bed of fireweed. Gregus says he named many of the ...

But this one never made it out of orbit around Earth, stranded there by a rocket malfunction.Much of the spacecraft came tumbling back to Earth within a decade of the failed launch. No longer able ...