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.

Ahead of its dance with Saturn on Feb. 24, Mercury should be seen on Feb. 19 at magnitude -1.2 with binoculars 20 minutes ...

Say hello to Mercury, that pesky rock that always ... left from what is estimated to have been a 100km diameter object smashing into the planet. The probe took the images by gliding over the ...

In reality, the sun's diameter is 1 million kilometers. RAW Embed The closest planet to the sun is Mercury. Mercury is 57.9 million kilometers away from the sun. To scale, that's just a short 68 ...