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.

New images of the planet Mercury taken by a robotic spacecraft have just been released — and they show the scorched world in fascinating up-close detail. The European Space Agency (ESA ...

According to Prof Zijlstra, the best date to see Mercury is February 28, as he says the planet will be "a bit higher and a bit easier to see". Once Mercury joins the party, all planets will sit ...

The two innermost planets, Venus and Mercury, will shine together low in the western sky at sunset on March 10. Here's how to get the best view before they disappear.

"Mars, Jupiter, and Saturn are frequently seen in the night sky, but the addition of Venus and Mercury make four- and five-planet lineups particularly noteworthy." The planetary alignment will ...

The alignment formation, however, will be short-lived because each planet moves at a different speed. On Friday, seven planets – Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars ...