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.
Tagged With ice giants
Uranus is the loneliest thing in the solar system. It hasn't had contact with anyone in over 30 years, since NASA's Voyager 2 spacecraft whizzed by it on 24 January 1986. Thankfully, some good folks at NASA and elsewhere are advocating for missions to Uranus and its Ice Giant companion, Neptune, which could take place at some point in the next few decades.