Pluto lost its planetary status in 2006. Nearly two decades later, people are still arguing about it — and now the argument ...

Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...

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

NASA administrator Jared Isaacman just urged the president to 'make Pluto great again'—but Trump doesn't have the power to do ...

NASA’sNew Horizons spacecraft has delivered extraordinary video footage showing towering ice mountains on Pluto’s moon Nix. These ice peaks, some rising as high as 11,000 feet, are made of pure water ...

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 ...

NASA has released a new video showing what it might be like to land on Pluto with a brand-new view of the dwarf planet's surface. The space agency’s New Horizons spacecraft spent about six weeks in a ...