Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

An international team of planet hunters has found four new planets orbiting two nearby stars that are very similar to the Sun. These discoveries point the way to the detection of potentially habitable ...

Just because Pluto was ruled out as a planet in 2006 doesn’t mean our solar system only has eight planets. The search for Planet Nine is far from over as scientists continue to uncover clues ...

Astronomers have long wondered why planets orbiting two stars, like the iconic Tatooine in Star Wars, are so rare. Most stars form with planets, and a large fraction are born in binary systems.

The newly discovered TOI 451 planetary system features three planets orbiting the same sun. CREDIT Illustration courtesy of NASA/Goddard Space Flight Center A newly discovered planetary system will ...

What planetary treat is happening in the night sky over California and the rest of the Northern Hemisphere How to see planets with the naked eye Why Pluto isn't part of the 2025 - or any other - ...