NASA's New Horizons has sent back its last data from Pluto
Next up, the Kuiper Belt.
Pluto may have a 60 mile deep liquid water ocean
The excommunicated "planet" is full of surprises.
Pluto's moon Charon got its red toupée from the dwarf planet
It's a combination of methane gas and UV radiation.
Pluto stamp earns world record for traveling 3 billion miles
That's one well-traveled 1.5-inch x 1-inch piece of paper.
Hawaiian telescope spots a new dwarf planet beyond Neptune
Pluto has another friend.
Pluto's moon Charon features a massive, deep chasm
The Argo Chasma boasts the tallest cliff faces in the solar system.
Pluto might still have an ocean underneath its icy shell
The dwarf planet would look different if its subsurface ocean froze long ago.
Backlit Pluto photo shows evidence of possible clouds
An image of the dwarf planet silhouetted against the sun contains possible proof of theorized methane clouds.
USPS debuts stamps with New Horizons' view of Pluto
New images of the eight other planets are also available in the series.