Simon Pierce, who has studied whale sharks globally, said he has photographed suspected mating scars on female sharks in St. Helena, probably from when male sharks bit their pectoral fins to hold onto ...

An international team of scientists and crew on board Schmidt Ocean Institute's research vessel Falkor (too) was the first to film the colossal squid (Mesonychoteuthis hamiltoni) in its natural ...

Today's rather aquatic-themed NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the ...