A whole new side of Mercury hasbeen revealed in pictures taken by NASA's MESSENGER probe, which flew by thetiny planet two weeks ... "It's a real mystery, a very unexpected find,"said Louise ...

that will circle the planet's poles. The spacecraft is named for the late Giuseppe "Bepi" Colombo, a 20th century Italian ...

Because the planet is so close to the sun, Mercury's surface temperature can reach a scorching 840 degrees Fahrenheit (450 degrees Celsius). However, since this world doesn't have much of a real ...

A new study suggests the smallest planet in our solar system is getting even smaller. The moon-sized planet is shrinking as its insides cool down ... on pictures snapped by NASA's MESSENGER ...

"This makes these unlit craters some of the coldest places in the Solar System, despite Mercury being the closest planet to the Sun!" the ESA marveled. What's more, these craters could harbor ...

Not since NASA’s Mariner 10 probe, which flew past Mercury three times between 1974 and 1975, has a spacecraft taken such a close look at the planet ... piece of real estate in the inner ...

Credit: NASA / Johns Hopkins University Applied Physics Laboratory / Carnegie Institution of Washington Not many spacecraft visit Mercury, the closest planet to the sun. But in 2013, NASA's ...

Using data from NASA's MESSENGER spacecraft, scientists have determined that a 10-mile-thick diamond mantle may lie beneath the crust of Mercury, the closest planet to the sun. Mercury has long ...