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.

The surface temperature can range from 800 degrees to minus 290, and the planet has almost no atmosphere. The next mission to ...

New Africa - stock.adobe.com While Mercury, the wily planet of communication and exchange doesn’t station retrograde until March 15th, we get a lovely little preview of its hijinks for the next ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus ...

Mercury is the second densest planet after Earth ... formed under specific pressure and temperature conditions. The researchers wanted to see whether this process could have played out during ...

Researchers have long-suspected ice to persist on Mercury, a hypothesis based on Earth-based radar studies of the small planet. But other substances ... spots mapped by a thermal model of Mercury's ...

WASHINGTON — Stargazers will have a special chance to see seven planets align in the night sky this week as Mercury joins Venus, Mars, Jupiter, Saturn, Uranus and Neptune in a planetary parade.

On Friday, seven planets – Saturn, Mercury, Neptune ... according to the National Weather Service, with a low temperature of 30 degrees. The alignment is most visible just after dusk, according ...