Pluto isn’t a lifeless rock it’s a world filled with towering mountains and shifting ice plains. This video dives into the ...

Far beyond the edge of the solar system, Pluto is revealed as a far more dynamic and mysterious world than once believed.

A new tiny ice world has been discovered beyond Pluto surrounded by a thin atmosphere, scientists revealed.

Should Pluto be a bona fide planet again? NASA is working to "revisit the discussion" on Pluto's planethood status, according to agency chief Jared Isaacman.

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

The problem with Pluto isn’t its planetary or nonplanetary status—it’s our insistence on declaring the world must be one or the other ...

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

That’s partly why little planet Pluto was believed to be the only object in our solar system that had an atmosphere beyond ...

A new study suggests that a tiny, icy world beyond Pluto harbors a thin, delicate atmosphere. That would make it the solar ...

CAPE CANAVERAL, Florida — A new study suggests that a tiny, icy world beyond Pluto harbors a thin, delicate atmosphere that ...