"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't ...

The discovery of an extraordinary multi-planet system has ... that of the Jupiter in our solar system. They also orbit incredibly close to their host star, which is weird because scientists ...

Astronomers detected hundreds more new worlds beyond the solar system this year and worked to better understand what makes them tick. The number of confirmed exoplanets — planets that don't ...

A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...

"Astronomers will always assume a simple model unless there is overwhelming evidence that this simple model is flawed." ...

There may be an undiscovered planet in the outer solar system whose presence is revealed by the strange orbit of objects beyond the eighth planet Neptune. The tantalizing prospect of a ninth ...

Stargazers won't need any special equipment to view the four-planet alignment as it will be visible to the naked eye. However, if you have a telescope, you can spot two additional planets, Uranus and ...

The potential discovery of a large planet beyond Neptune’s orbit could change everything we know about the Solar System.