View of planet Mercury from space. Space, nebula and planet Mercury. This image elements furnished by NASA. A few evenings ago I found myself in a remote layby in Utah close to Canyonlands National ...

While Mercury, the wily planet of communication, doesn’t station retrograde until November 9th, we’re locked and loaded to experience a lovely little preview of its hijinks. We’re talking shadows, ...

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 ...

Mercury may have comet dust to thank for its dark appearance. The smallest planet in the solar system (sorry Pluto) has curious coloring: It’s darker than it should be, and scientists aren’t sure why.