Breaking news from Nasa: here are the first close-up details from the surface of Pluto, our solar system's most distant planet.
Charon, Pluto's largest moon.
Here's Pluto's moon Hydra, imaged for the first time and said to be composed of water-ice.
Here's methane in Pluto's atmosphere, mapped.
It's Christmas, Halloween, and every other holiday you can imagine for space geeks today. Today is the day when images sent back from NASA's New Horizons probe from humanity's first Pluto fly-by will be revealed, at 3pm Eastern.
We're watching live on NASA TV. This post will be updated as images come through.