The country supports some of the world’s most important satellites. But experts worry about its proximity to Russia.

New images of the planet Mercury taken by a robotic spacecraft have just been released — and they show the scorched world in fascinating up-close detail. SEE ALSO: Is Mercury in retrograde?

Gaze in awe at this moody, first image of Jupiter's swirling north pole: "[I]t looks like nothing we have seen or imagined before," Scott Bolton, a planetary scientist at the Southwest Research ...