In astronomy, what does retrograde mean? And what connection does it have to astrology? We explain how planets move across ...

Mercury is a little-known, still mysterious world. But one thing is certain. Mercury, the closest planet to the sun, can't ...

Mercury retrograde is a fascinating natural phenomenon that can open your eyes to the inner workings of the solar system.

Mercury retrograde starts Monday, November 25 and goes through December 15. Here's what to know about how the last Mercury ...

Mercury goes retrograde from Nov. 25 until Dec. 15, with no shortage of passed-down mythologies and theories.

"The sun's magnetic field is key to understanding the dynamic nature of our home star from the smallest to the largest scales ...