The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The colour of mine matches the Mission to Pluto pretty well, and I like how the strap is embellished with both “Speedmaster” ...

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

At about 750 miles wide, it's half the size of Pluto — extremely large for a moon. In previous models, Charon formed in a similar fashion to Earth's moon: The theory goes that a Mars-sized ...

Curiox Biosystems, a global leader in providing innovative and automated sample preparation solutions for accurate and ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there. By Jonathan O’Callaghan Some 4.5 billion years ...

Burrowing under soil opens up a whole new world, especially when that soil is on other planets. Getting under the top layer ...

A preview of Marvel and Disney's What If...? one-shot casts Mickey Mouse, Donald Duck, Goofy, Minnie Mouse and Pluto as the Avengers.

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

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The theory could explain how the dwarf planet (yeah, we wish Pluto was still a planet, too) could snare a moon that is around half its size. This "kiss and capture" process represents a new theory ...