Could Pluto be repromoted to planetary status? On Tuesday NASA administrator Jared Isaacman told a Senate committee hearing ...

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

The celestial body’s status as the solar system's ninth planet was withdrawn in 2006. Now some experts say we might want to ...

The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...

MAPA! Trump’s NASA Administrator wants to bring back Pluto as a planet in our solar system - The celestial body’s status as ...

Pluto is no longer a planet, but why did it lose that title? The change came in 2006 from the International Astronomical ...

A nearby Earth-sized planet offers a rare chance to study how atmospheres survive or disappear on rocky worlds.

Astronomers discover that the rotation speeds of distant planets reveal how they form and evolve in the universe ...

Scientists decided one way, but some states still see Pluto as a planet. So I asked the next generation their opinion.

Astronomers at The University of New Mexico have published new research confirming three bodies orbiting the dynamic ...

In her letter, Kaela laid out a surprisingly detailed argument in support of Pluto's return to planetary status.

Thanks to the sheer mass of Jupiter and fellow gas giant Saturn, the Solar System barycenter is rarely in the center of the ...