HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

February will be an awe-inspiring month for astronomy enthusiasts who will be able to the see the solar system's planets ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released ...