There's a broad consensus in the scientific community that a follow-up mission to Pluto should be an orbiter, and not a ...

Five planets are retrograde in summer 2025: Pluto, Neptune, Saturn, Mercury and Uranus. Astrologically, that means in for a ...

On July 14, 2015, a spacecraft flew by Pluto for the first time! NASA's New Horizons spacecraft spent 9.5 years making the ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Pluto soon became America’s favorite planet, especially after Walt Disney named one of his characters, a charismatic dog, after the newly found planet.

On July 14, 2015, the New Horizons space probe came within 7,800 miles of Pluto, providing NASA scientists with the clearest ...

Mercury will make an opposition to Pluto retrograde, creating a push and pull between the need for bold self-expression and ...

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

What's a Planet and Why Is Pluto Not in the Planet Club Anymore? by Andrew Fraknoi Although Seeing in the Dark doesn't directly discuss Pluto, it does celebrate the joy of observing planets.

Pluto is presently classified as a “dwarf planet,” but Metzger’s reasoning regarding the seemingly arbitrary definition of a planet seems pretty solid.

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, offering clues to Earth's ancient atmosphere.