Researchers diving 7 kilometres deep in a crewed submersible have discovered a vast collection of whale bones, including fossils up to 5 million years old and species new to science
Source: [New Scientist](https://www.newscientist.com/article/2529864-millions-of-fossil-whale-bones-found-in-deep-ocean-necropolis/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home)