Swiss astronomers found the 9th planet to have a solid iron core surrounded by ice and thick gas.
Scientists are gradually confident about the existence of the 9th planet in the solar system.
Astronomers at the California Institute of Technology announced the discovery of credible evidence of the 9th planet of the Solar System.
Hubble Space Telescope has just caught sight of a compact planet called J0925. A new planet is like a newly discovered green pea.
American scientists first observed the whole process
Astronomers have announced a surprising new discovery about a new circumbinary planet - the planet orbits two stars.
NASA's Spitzer Space Telescope has just discovered a planet made of rock like Earth and located only 21 light-years away, the closest of any known planetary planet. .
With the newly discovered planet, its year is just one day of working on Earth, about 8:30.
Kepler Space Telescope of the US Space Agency (NASA) has discovered 461 new potential planets.
US media reported on November 19 that astronomers have discovered a planet 13 times more massive than Jupiter - the largest and heaviest planet of the Solar System.