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

The spectacular discoveries NASA's MESSENGER made about Mercury.

Nasa's MESSENGER spacecraft concluded its four-year orbital mission over Mercury by crashing into the planet. The MESSENGER — a backronym of MErcury Surface, Space ENvironment, GEochemistry ...

In old Roman legends, Mercury was the swift-footed messenger of the gods. The planet is well named for because it's the closest planet to the sun it's also the swiftest of the sun's family of ...

In January 2008, 33 years after Mariner 10 flew past the solar system's innermost planet, MESSENGER crossed Mercury's magnetosphere. Ancient volcanoes, contractional faults, and a rich soup of ...

both robotic and launched by NASA, have visited Mercury so far, making it the least explored terrestrial planet. Mariner 10 launched in 1973 and imaged around 45% of the planet's surface from 1974 ...

The 1950s and 1960s were the golden age of space exploration. The U.S. and the Soviet Union were locked in a race to the ...

But other substances beside water, such as sulphur, could have explained the bright spots near Mercury's poles seen on the radar. The instruments onboard MESSENGER, however, present compelling ...

After the end of the space shuttle program, NASA turned to private companies to fill the gap. That isn't working out for the best.