The celestial body’s status as the solar system's ninth planet was withdrawn in 2006.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 NASA administrator’s latest remarks in support of reexamining Pluto’s status come 20 years after the orb was downgraded ...

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

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

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

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

Our solar system is much like a trail of microcosmic breadcrumbs: Follow the molecular bits as far back as they go, and you'll learn a thing or two about where many of our planets and other celestial ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. New research suggests that ...

NASA’s top leadership has sparked fresh debate about Pluto’s status in the solar system. Jared Isaacman, the current NASA ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of an early stage of an icy body being torn apart by the intense gravity of a white dwarf By Will Dunham WASHINGTON ...

Using the James Webb Space Telescope, scientists have detected gas on the distant dwarf planet, Makemake. - NASA / ESA / Southwest Research Institute / A. Parker illustration Scientists have detected ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away from Earth. Credit: NASA / JPL-Caltech / Tim Pyle illustration For the ...