For decades, scientists and the general public have argued over the astronomical status of beloved dwarf planet Pluto. In the ...

If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.

Astronomers have detected a thin yet rare atmosphere for the very first time beyond Pluto around a small celestial body in ...

Pluto was reclassified as a dwarf planet in 2006, but new discoveries and fresh debate are reigniting calls to restore its ...

Japanese astronomers on Monday said a tiny, little-known world beyond Pluto may possess an atmosphere, defying what had been ...

This story is part of Short Wave's series Space Camp about all the weird, wonderful things happening in the universe. Check out the rest of the series. If you were born in the last century you might ...

Shakespeare’s Juliet was being decidedly unscientific when she proclaimed, “What's in a name? That which we call a rose/ By any other name would smell as sweet.” In science, classifications – the ...

Pluto may have been demoted to non-planet status, but it still commands a court of five moons, as is fitting for the king of darkness; after all, Pluto is the Roman equivalent of the Greek God Hades.

Pluto hasn't been a planet for almost 20 years. In the early 2000s, scientists discovered several objects of a similar size to Pluto. So, during the summer of 2006, members of the International ...