Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...
When NASA's New Horizons spacecraft sped by Pluto in 2015, it revealed an incredible world of ice and haze carved by various geological processes — hinting that an ocean may have played a role in the ...
Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action ...
The New Horizons mission to visit Pluto is "a triumph of engineering and the laws of physics," famed astrophysicist Neil deGrasse Tyson told NBC Nightly News anchor Lester Holt on Tuesday, the day the ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. This image of Pluto was made after the New Horizons spacecraft flew past the dwarf planet on July ...