Speakers Diane Phelps Budden and Kevin Schindler will present “Tiny Pluto Has a Big Heart” at the Sedona Heritage Museum on ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from ...

All in all, there are more than 300 films being added to Pluto TV’s streaming offerings in the month of April. The new ...

Pluto TV is adding dozens of free movies to its streaming service in April, including True Grit and All Dogs Go to Heaven.

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...