The flyby offered a window into Pluto’s geology, atmosphere, and potential habitability, uncovering features like Sputnik ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Brown dwarfs are the weird middle-ground of space - not a planet, but not a real star either. They’re massive enough to “smolder,” but not powerful enough to fully ignite like the stars we’re used to.