Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the ...

A single year is left in the long joruney of the two BepiColombo spacecraft as they try to reach planet Mercury for a truly ...

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The upcoming ...

(Left) A colorful view of Mercury produced using images from the color base map imaging campaign during MESSENGER's primary mission (Right) what Mercury may look like were its outer layers stripped to ...

Mercury, the planet closest to the sun, has a 10-mile-thick mantle of pure diamond, according to NASA. The report, derived from data taken from the NASA MESSENGER probe that orbited the red-hot planet ...

The solar system’s smallest planet may have vast riches beneath its surface, according to a stunning discovery by a NASA spacecraft. Scientists have determined that Mercury, the closest planet to the ...

Mercury is a little-known, still mysterious world. But one thing is certain. Mercury, the closest planet to the sun, can't actually travel backward in retrograde, and doesn't impact us on Earth. The ...

NASA's hardest working probe has finally run out of fuel, and will meet a tragic fate as it crashes into the planet Mercury on April 30. See the amazing photos this probe shared with us in its very ...

NASA is asking for the public's help, but there's a catch. Mercury's surface is seen in exaggerated color in this image provided by NASA. NASA/JHU APL/CIW — -- NASA is asking for the public's ...