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.

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

Also one of the facts about planets is that Mars had a thick atmosphere in the past. It is believed to have water in the past ...

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