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 ...

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 ...

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

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.

When Mercury trines Pluto retrograde on May 27, you could have an unmistakable sense of “I can’t unsee this,” where you ...

The last new moon of spring is here! The new moon in chatty and enthusiastic Gemini occurs on May 26 at 11:02 p.m. ET. This ...