“This fictional planet gives a nudge to Jupiter that is just enough to destabilize everything else,” Kane said in a statement. As it turns out, a small nudge to Jupiter is a big deal to ...

Sci-fi planets like Dune's Arrakis and Star Wars' Tatooine might look cool, but according to NASA they're more fiction than ...

Sky watchers are in for a treat this month as the stars align to give amateurs a shot to see six planets at once.

Early sci-fi exoplanets were often simple Earth-like worlds, but as science advanced, so did their realism. From the desert planet Arrakis in Dune to the bizarre gas giant moons in Avatar, fictional ...

Mars, Venus, Jupiter, and Saturn can be spotted without special equipment, with Uranus and Neptune requiring a telescope.

For centuries, planets beyond our solar system—called exoplanets—existed only in theory and science fiction. It seemed nearly impossible to detect planets light-years away, since the ...