Deep sea

A Y-shaped fragment is all that remains of the Taraia Object. The expedition's own plan called a null result a successful test; the older castaway evidence is where the argument still lives.

Researchers have published the first confirmed footage of a goblin shark alive in its deep-ocean habitat, captured near Jarvis Island and in the Tonga Trench.

A robotic survey of the southeastern Indian Ocean found 476 whale fossil sites and five living whale-fall ecosystems down to 7,001 meters, the deepest such habitats on record.