Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic planet formation.

For the thought that our solar system had planets travelling in circles ... This meant that Brahe shared with Kepler only a small part of all the data that he had at his disposal.

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

If you’re going to set a sci-fi movie on an alien planet, it’s a nice bonus if that planet actually exists. Or, at least, is ...

IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 ...

"Reviewing the data was a meticulous process that required careful inspection of all data products ... learn about the orbits of planets around other stars using the Kepler Space Telescope ...

Kepler-452b could be habitable, according to scientists, which arguably makes it one of the strangest planets ever discovered. Of all the exoplanets ever discovered, just a handful have been found ...