The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a ...

A space probe named Hera captured images of Mars' small Deimos moon while on a mission to examine an asteroid.

SPACE is finally spinning once again. Mission: SPACE Earth Sculpture Spinning The exterior of Mission: SPACE has undergone ...

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of a Neptune-like planet being dragged through space by its parent star along ...