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 ...

Only two missions have reached Mercury before BepiColombo: NASA’s Mariner 10 flybys in the 1970s and MESSENGER, which orbited the small world from 2011 to 2015. Mariner 10 showed us that Mercury ...

Although Nasa’s Mariner 10 mission performed three flybys of Mercury in 1974, Messenger is the first probe to ever circle the planet. By Sarah Knapton 29 April 2015 • 6:23pm Nasa's Messenger ...

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 ...

A layer of diamonds was found beneath Mercury's surface. This could help scientists understand the planet's unusual magnetic ...

Principal Investigator for NASA's MESSENGER mission, which will reach Mercury in 2011. Mercury is the underdog planet. It's the smallest guy in the neighborhood, and it lives in the roughest part ...