The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's ...

July’s Mercury retrograde will be in the sign of Leo, but depending on your zodiac sign, we all have something a little ...

Scientists suggest a star and its planet are orbiting a second star in two opposite directions in an exotic binary star ...

Astronomers have discovered a remarkable planetary system that challenges long-held assumptions about where planets can ...

For the first time in history, we now have real, high-resolution images of Neptune that go beyond artist impressions and ...

Mercury retrograde: Several planets appear to 'step back,' and here's what that means. The planets that fall inside Earth's orbit around the Sun – Mercury and Venus – mostly appear to be ...

A planet twice the size of Jupiter has been confirmed in Nu Octantis. Its retrograde orbit and origin raise new questions about planetary formation in binary systems.

After two decades of debate, research confirms that an odd binary star system has an equally odd planetary companion ...

The next Mercury retrograde, which begins March 14, will end on April 7. The planets that fall inside Earth's orbit around the Sun – Mercury and Venus – mostly appear to be moving in the ...