For the last edition of 2020, we descend into the deep sea and reveal what we now know about life in the darkest corners of our ocean. In this special digital issue, you’ll find exclusive interviews and OP-EDs from philanthropist and co-founder of the Schmidt Ocean Institute, Wendy Schmidt; the National Oceanography Centre’s chief executive, Professor Ed Hill CBE; and Michael W. Lodge, secretary-general of the International Seabed Authority. Discover intriguing insights from international deep-sea scientists, join explorers as they search the deep ocean for new lifeforms in video footage throughout the edition, and find out who has been chosen as our Deep-Sea Heroes 2020.