The spacecraft collected new data on Mercury using its Mercury Radiometer and Thermal Infrared Spectrometer, or MERTIS. The ...

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

We view the night sky from a moving platform. Earth orbits the sun at a different rate than any other planet. When Mercury and Earth are at their closest, Mercury appears to go backward ...

The images reveal a haunting view of this rocky world, often referred to as the "Problem Child of the Solar System" due to ...

Your mind might be on overdrive thanks to from Mercury’s moonwalk on your sun sign. If you’re feeling reflective ... If ...

On Sunday 1 024, BepiColombo flew past the planet Mercury for the fifth time, readying itself for entering orbit around the ...

Have you ever seen the planet Mercury? Venus, of course ... About 34 light-years from the Sun, Pollux is the closest giant star to our Sun. At 20:05 Universal Time today our satellite will ...

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.

Humankind accomplished new feats in space this year, including scooping up some of the moon’s farside and launching a probe to Jupiter’s moon Europa.

Mercury has made a rare transit, where the planet passes across the face of the Sun as seen from Earth. During the transit, Mercury appeared as a dark silhouetted disc against the bright surface ...

Finally, there is speedy little Mercury, normally difficult to see because of its close proximity to the sun, but during the latter half of December it should be easy to pick out, low in the east ...