Mercury, the smallest and innermost planet in our solar system, may be home to a dazzling secret hidden beneath its scorched ...

Mercury’s surface is scattered with graphite, a clear sign that its crust once floated atop a carbon-rich magma ocean. As the ...

"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure ...

NASA's Messenger mission unveiled the first picture of the planet Mercury taken by an orbiting spacecraft on Tuesday, and promised to provide more goodies in the days and months to come.

MESSENGER last year revealed another side of Mercury, color-enhanced to show the differences in surface geology. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of ...

Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a ...

The Mercury Surface, Space Environment, Geochemistry and Ranging (Messenger) probe arrived in August 2011 and is the first ever to orbit Mercury. Since its arrival it has been returning ...

Explore facts about our solar system's fastest planet. Mercury is slightly larger than our Moon - 15,329 kilometres around its equator. Its radius, the distance from the core's centre to the surface, ...

The Mercury flyby of the MESSENGER (Mercury surface, space environment, geochemistry and ranging) probe was the first of three braking manoeuvres for the spacecraft, in preparation for its ...