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

The International Astronomical Union calls Pluto one of nine planets in the solar system, and a 1999 proposal to list Pluto as both a planet and a member of the Kuiper Belt was abandoned after it ...

Astronomers using the James Webb Space Telescope (JWST) have taken a fresh look at the distant edges of our solar system — and found that, once again, Pluto is defying expectations.When NASA's New ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

On Pluto, your baseball could clear the Great Pyramid of Giza. On Jupiter, it plops to the ground. Watch a ball throw on each planet in our solar system, plus Pluto and the moon, below.

Astronomers have discovered a giant ball of ice and dust in orbit around the sun, far beyond Pluto. Scientists say it's the most distant object in our solar system, 8 billion miles away. Dubbed ...

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

Welcome to SolarBalls! Space animation filled with fun, entertaining animations that also help you learn about the solar system, and the universe. If you like space animations and comedy - then ...

Pluto hasn't been a planet for almost 20 years. In the early 2000s, scientists discovered several objects of a similar size to Pluto. So, during the summer of 2006, members of the International ...

As Pluto is finally added to the University of Arizona's scale model solar system, a new study suggests how the dwarf planet's cold heart was originally broken.

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