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.

ForbesRevealed: NASA's 'Night Mission' To Mercury, The Only Inner Planet We've Yet To Land OnBy Jamie Carter NASA’s Mariner 10 probe imaged Mercury from 1974-75 while NASA’s MESSENGER mission ...

Using data from NASA's MESSENGER spacecraft, scientists have determined that a 10-mile-thick diamond mantle may lie beneath ...

Mercury, the planet closest to the sun, has a 10-mile-thick mantle of pure diamond, according to NASA. The report, derived ...

Europe's BepiColombo mission will enter orbit of the solar system's first planet in about two years, but it's been whizzing past Mercury regularly ... following NASA's Messenger mission in 2011.

Mercury ' s inner core is solid and about the same size as Earth ' s inner core, a new study using observations from NASA's MESSENGER mission has indicated. Mercury is the smallest planet in our ...

BepiColombo follows in the footsteps of NASA's Mariner 10, which photographed Mercury in 1974-75, and NASA’s MESSENGER, which mapped it from 2008-2015. BepiColumbo is on a seven-year journey ...

Europe's BepiColombo mission will enter orbit of the solar system's first planet in about two years, but it's been whizzing past Mercury regularly ... following NASA's Messenger mission in 2011.

The spacecraft is named for the late Giuseppe (Bepi) Colombo, a 20th-century Italian mathematician who contributed to NASA's Mariner 10 mission to Mercury in the 1970s and, two decades later ...