For the first time in history, we now have real, high-resolution images of Neptune that go beyond artist impressions and telescope visuals. Captured by advanced space telescopes and spacecraft, these ...

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 ...

Most stars in the Universe exist in binary or multiple star systems, where the presence of close-in companion stars in such systems can adversely influence the formation and orbital stability of ...

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

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.

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

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 ...

The new planet's orbit is also unique in its "retrograde" orientation. Unlike the Earth and other planets in the solar system, which orbit in the same direction as the sun spins, the new planet ...