Featured in Kuiper Belt

Neptune’s bumpy childhood could reveal our solar system’s missing planets
MU69, previously presumed a space snowman, is instead a pair of cosmic pancakes
MU69 is the most distant object we’ve ever visited—and it looks like a space snowman
It’s official: NASA’s New Horizons spacecraft has made history
Watch live as NASA spends New Year’s Eve exploring the mysterious outer regions of our solar system
NASA’s New Horizons will spend New Year’s Eve staring at a very mysterious space ball
The outer solar system awaits—but getting there may not be as easy as we’d like
What’s hiding in the outer solar system?
The mysterious object NASA is visiting in 2019 might have its very own moon
NASA just caught a glimpse of the mysterious object New Horizons will reach in 2019