Using data from NASA's MESSENGER spacecraft, scientists have determined that the solar system's tiniest planet, Mercury, hides a not-so-tiny secret: a 10-mile-thick mantle of diamond.

Observations from Nasa's Messenger mission have inferred the surface composition of Mercury. This suggests the presence of minerals known as sodium-rich plagioclase (such as albite), iron-poor ...

NASA also points out that July and August is an excellent chance to view the constellation Aquila, also known as the eagle as ...

Mercury could have a thick underground layer of diamonds, ... The last completed mission to Mercury, NASA’s MESSENGER, orbited the planet between March 2011 and April 2015.

Mercury, the planet closest to the sun, has a 10-mile-thick mantle of pure diamond, according to NASA.. The report, derived from data taken from the NASA MESSENGER probe that orbited the red-hot ...

Jaw-dropping new images are the closest ever taken to the Sun. The latest close-ups, unveiled Thursday, July 10, were ...