Microphones on the seafloor recorded life under the Antarctic ice for two years – inadvertently catching seal trills and chirps that are above the range of human hearing. Could they be for navigation?

It's time to listen to warnings from the people of the Pacific.

Hurricane Harvey destroyed the fishing infrastructure of Aransas Bay and reduced fishing by 80% over the following year. This removed humans from the trophic cascade and whole food webs changed.

Companies are eager to mine the deep ocean for valuable mineral deposits. But scientists are concerned about impacts on sea life, including creatures that haven't even been discovered yet.

Towns and cities create an orange glow on the horizon at night. It's so widespread that it even disturbs sea creatures.

Too many small yachts and speedboats are simply being abandoned to shed toxins and microplastics into the sea.

The discovery that such a common animal can rapidly produce vast numbers of nanoplastics is particularly worrying.

Wild dolphins are fast, smart and hard to study, but it is important to understand how human actions affect their health. So we are building a drone to sample hormones from the blowholes of dolphins.

Microscopic ocean phytoplankton feed a "biological pump" that carries carbon from the surface to deep waters. Scientists have found that this process stores much more carbon than previously thought.