Introducing Hippocamp — a small Neptunian moon that has gone undetected until now.
This is a new picture of Neptune taken from the Earth. It’s nothing short of amazing.
Here is an ice cube you do not want to put in your Diet Coke: A solid lattice of oxygen atoms with protons whizzing around inside of it. This ice is not normal on Earth, but might be elsewhere. And scientists have created it in a lab.