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 ...

On May 26, the sun will form a harmonious trine to Pluto retrogrades, creating an atmosphere that’s just as intellectually ...

Pluto has long been one of the most controversial objects in our Solar System. For decades it proudly held the title of the ...

The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...

Pluto’s surface tells a story of ice volcanoes, hidden heat, and mysterious chemistry beneath frozen plains. Scientists now ...

Add Yahoo as a preferred source to see more of our stories on Google. A huge heart-shaped feature on the surface of Pluto has intrigued astronomers since NASA’s New Horizons spacecraft captured it in ...

Is Pluto a planet? NASA Administrator Jared Isaacman told Congress on Tuesday, April 28, that Pluto should be recognized as a planet, 20 years after its status changed.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. New information about Pluto's largest moon that was revealed by a NASA ...

Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for being a planet, putting Pluto into the new category of dwarf planet ...

An image of Pluto taken by NASA's New Horizons spacecraft on July 13, 2015. The planet was first discovered by Clyde Tombaugh, who graduated from high school in rural Kansas and went on to earn his ...