The early years of our solar system were a period of unimaginable chaos and violence, a gravitational free-for-all where colliding planetary embryos competed for survival. In this tumultuous ...

Simulations of the formation of the solar system have been largely successful. They are able to replicate the positions of all the major planets along with their orbital parameters. But current ...

Mercury is a planet that just doesn't make sense. It's incredibly small yet hosts a relatively massive core. Mercury is so strange that astronomers have not been able to explain its properties with ...

Follow this author to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings The planet Mercury, as seen by the Messenger spacecraft, Jan. 14, 2008 ...

View of planet Mercury from space. Space, nebula and planet Mercury. This image elements furnished by NASA. While Mars and Venus hog the headlines, what little attention our tiny planet Mercury gets ...