The planets around a nearby star seem to be in the wrong order, hinting that they formed through a different mechanism than ...

Astronomers have discovered a planetary system that appears to flip one of astronomy's most reliable rules on its head.

Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific ...

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

Our Solar System contains eight planets (sorry, Pluto) orbiting around the Sun. But while all planets are important members of the club, if we’re being honest, we know there’s a crown jewel of our ...

A mysterious "rogue" planet has been observed gobbling six billion tonnes of gas and dust a second -- an unprecedented rate that blurs the line between planets and stars, astronomers said Thursday.

"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit, is rather incredible and exciting." When you purchase through links on our site, we may earn an ...

After years of observation, researchers finally understand how a pair of stars can maintain a stable orbital dance with an elusive planet. In 2004, David Ramm at the University of Canterbury in New ...