Because Mercury rules the mind and communication, Mercury retrograde can be a time for mental reflection. Planets experiencing retrogrades in 2023 This year, every planet in our solar system will ...

Mercury will retrograde from Dec. 13 through Jan. 2 in the last of four times it appears to move backward in the sky this year. Every planet has in our solar system has retrograded for at least ...

Shrinking planet Mercury is still getting smaller, new research finds The first evidence of Mercury's shrinkage came in 1974 when the Mariner 10 mission transmitted pictures to Earth.

Mercury is the innermost and smallest of the eight planets. Outwardly, it bears a strong resemblance to Earth's Moon, but the planet differs considerably from it in terms of its structure and ...

Mercury is a planet of extremes. With a total volume little more than the Moon, it is the smallest planet in the Solar System and is situated the closest to the Sun. Mercury has no atmosphere to ...