Our solar system's innermost planet is pretty weird. The dinky planet is approximately 3,030 miles (4,876 kilometers) in diameter, making it about as wide as the continental United States and only ...

Salt glaciers uncovered on Mercury, the second planet from the sun, could have implications for the habitability of this tiny planet and similar worlds beyond the solar system.

Mercury has the shortest and fastest orbit around the Sun and experiences dramatic temperature changes as it rotates. It is a world of extremes. Explore facts about our solar system's fastest planet.

On Feb. 20, Mercury in Pisces will square Jupiter in Gemini, creating a cosmic clash between two very different energies — Mercury wants the facts and Jupiter magnifies everything it comes in ...

Freddie Mercury was a famous music starHe was known for the band QueenLearn 10 facts about the late star. A s the frontman of the band Queen, he shaped the music of the seventies and eighties. To ...