In astronomy, what does retrograde mean? And what connection does it have to astrology? We explain how planets move across ...

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 ...

Mercury, the closest planet to the Sun, is full of unsolved mysteries. Using data from NASA’s MESSENGER mission, scientists ...

Opinions expressed by Forbes Contributors are their own. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. After three and a half years in orbit around Mercury --- the tiny ...

NASA/JHUAPL/Carnegie Inst Washington Mercury is the smallest and innermost planet in the Solar System Mercury is the smallest and innermost planet in the Solar System. It completes each orbit ...

ForbesRevealed: NASA's 'Night Mission' To Mercury, The Only Inner Planet We've Yet To Land OnBy Jamie Carter NASA’s Mariner 10 probe imaged Mercury from 1974-75 while NASA’s MESSENGER mission ...

It is not known exactly when the planet was first discovered - although it was first observed through telescopes in the seventeenth century by astronomers Galileo Galilei and Thomas Harriot. Only two ...

Here are seven fascinating images of Mercury, shared by NASA, showcasing the unique features of the smallest and closest planet to the Sun Mercury, only slightly larger than Earth's Moon ...

a new study using observations from NASA's MESSENGER mission has indicated. Mercury is the smallest planet in our solar system and the closest to the Sun. It is rocky with a solid surface that is ...

The Project Mercury Monument located at the Cape Canaveral launch pad from where NASA astronauts first flew ... sculpture of the symbol for the planet Mercury with the number "7" at its center ...

Mercury is a little-known, still mysterious world.

This Tuesday, November 26, marks the beginning of Mercury retrograde and it will last until Sunday, December 15. This will be ...