Add Yahoo as a preferred source to see more of our stories on Google. The most noteworthy event this week is Pluto moving into the fixed air sign of Aquarius on November 19. This heralds a new era as ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." NASA may have downgraded Pluto ...

Billions of years ago, in the frozen edges of the solar system, a violent impact shaped one of space’s oddest pairs. Instead of a typical planet-moon setup, Pluto and Charon became a binary system.

Pluto TV has been quite busy to start the month of June. The free, ad-supported streaming service added over 100 movies, two ...

There’s been a fierce debate over the past two decades about the status of the distant icy world of Pluto after it was contentiously stripped of its planethood and reclassified as a dwarf planet. Nasa ...

He also said that NASA is working on research papers that they would like to bring forward within the scientific community to revisit the discussion.

For billions of years, Pluto and its largest moon Charon have been facing each other in a mutual tidal lock. Since it’s about half the size of Pluto, the moon and its planet are sometimes referred to ...

It's been 20 years since Pluto lost its status as the ninth planet of the solar system, but we still can't seem to let it go.

Pluto. Elements of this image furnished by NASA/Getty Images When the International Astronomical Union announced in 2006 that Pluto was being demoted from its status as the Sun’s ninth planet, many ...