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

Mercury, the closest planet to the sun, is only slightly larger than Earth's moon and is pockmarked with craters. The planet is visible to the unaided eye and as such as has long been known to humans.

Although NASA’s Project Mercury and SpaceShipOne served very different objectives, a closer look reveals that both missions ...

The strange, tinkling song of Mercury's magnetic field sounding like a chime in the solar wind has been detected for the first time ever. Known as "whistler-mode chorus waves," these bizarre chirping ...

Mercury in color, from data collected by NASA's MESSENGER spacecraft. Scientists studying Mercury have discovered evidence for the existence of glaciers in the planet’s polar regions and suggested ...

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

October 1, 1958 - The official start of NASA. October 7, 1958 - NASA announces Project Mercury. The Mercury project’s objectives are to place a human spacecraft into orbital flight around Earth, ...

Here's a look at NASA (National Aeronautics and Space Administration), the United States government agency that conducts research into space. There are ten major NASA installations, including the ...