It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

A decade after Pluto was demoted, the first fly-by team has a radical proposal to restore its former status, resurrecting the biggest battle in space. The fight over Pluto is much bigger than one ...

New research showcasing the dramatic topography of Pluto and its moon Charon should help scientists better guess what forces have shaped them. The New Horizons spacecraft flew past the two bodies ...

Pluto's brightest spots reflect 100 percent of light, making them among the most reflective spots observed. That light may need to fight its way through cloud cover to reach the surface of Pluto ...

NASA's New Horizons spacecraft conducted the first and only flyby of the Pluto system, culminating at the closest approach of that distant world in July 2015. Sailing onward, the probe carried out ...

It’s been 18 years since Pluto’s celestial status was called into question—yet the matter seems far from settled. We asked experts from both sides to make their case. This 2015 NASA image of ...

In 2006 the former ninth planet in the solar system, Pluto, got demoted to a mere Kuiper Belt object. The man who was in large part responsible for that demotion, Caltech planetary scientist Mike ...

Pluto and its discoverer play key roles in "Percival's Planet," a novel that weaves a fictional tale around historical and scientific facts from 80 years ago.. That's not the way Michael Byers ...

It was one of the most ambitious missions for NASA since the turn of the century, with photos reshaping what scientists know ...