Study unveils new superionic states of helium-water compounds

Helium and water are known to be abundant throughout the universe, particularly in giant planets such as Uranus and Neptune. Although helium is typically unreactive at common atmospheric conditions, past studies have found that it can sometimes react with other elements and compounds under high pressure.

source https://www.lifetechnology.com/blogs/life-technology-news-blog/study-unveils-new-superionic-states-of-helium-water-compounds