Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action ...

A long-settled space debate is back in the spotlight after fresh political backing in the United States. Calls to restore Pluto’s status are gaining attention from both scientists and public figures.

NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

President Donald Trump and his NASA administrator are reviving the Pluto debate again — apparently at the urging of “Star ...

Add Yahoo as a preferred source to see more of our stories on Google. Guests visting the Lowell Observatory in Flagstaff, Arizona during the I Heart Pluto Festival gaze at celestial objects from the ...

After a tumultuous week of clashing over the essence of the cosmos, the International Astronomical Union stripped Pluto of the planetary status it has held since its discovery in 1930. The new ...

President Donald Trump may be one step closer to making Pluto great again. NASA Administrator Jared Isaacman endorsed the idea of Trump making Pluto a planet again in an exclusive interview with the ...