The deep sea has many new discoveries waiting for us, including a newly discovered species called the "death ball" sponge.

Spanning multiple longitudes and latitudes, our planet’s largest continent is a mesmerising mix of diverse habitats. Mountains soar to giddy, air-thinning heights, oceans plunge to largely unknown ...

Ninety-seven-million-year-old magnetic fossils, left behind in sea beds by an unknown creature, may have been a biological ...