A reference database to enable our search for life on the surface of icy exoplanets and exomoons by using records from Earth’s icy biota is missing, so this team developed a spectra catalogue of life in ice to facilitate the search for extraterrestrial signs of life.

Astrobiology
Astrobiology 101: Life, the Universe, and How We Search for Our Cosmic Neighbours
Look up at the night sky and it is difficult not to wonder: are we alone? Astrobiology turns that ancient
