We pass a side canyon where 300-million-year-old sea creatures called nautiloids swim ... it is its artistry that makes it beautiful. Deep in Havasu Canyon the rest of the world seems distant.

Monterey Bay and its 5,580-foot-deep canyon right off the coast is one of the best-studied deep-sea areas in the world, ...

On a 55-day expedition from Valparaíso to Punta Arenas, researchers from the Schmidt Ocean Institute surveyed nearly 20 methane seep ecosystems and four previously unseen submarine canyon systems.

They receive terrigenous sediment from hinterland-to-deep sea sediment-routing systems, which include submarine canyon-channel transfer zones that gash Earth's continental margins. Deposits of ...