An international team of researchers descended aboard the manned submersible Limiting Factor to the bottom of the Calypso Deep, about 5,112 meters below the surface of the Ionian Sea, to document ...

Scientists have captured photos of litter at the bottom of the Calypso Deep, a trench 16,771ft (5,112m) below the surface of ...

Greece is lagging behind in fulfilling its commitments for the protection of marine environments, meeting 15 percent of its responsibilities.