One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of the Avatar series, which centers on a moon that orbits a fictional gas giant ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of ...

Jupiter and Venus, the two brightest planets in our solar system, should be widely visible for much of August in the northern ...

It's not easy to uncover exoplanets, largely lightless objects that either lurk in the dark void of space or are blown out by ...