Sydney rock oysters, found only in the waters of Australia and New Zealand, are getting smaller due to coastal acidification, a new report has found.

Underwater robots have uncovered new evidence about life in the Arctic and, for the first time, revealed the moment the region's marine ecosystem springs into life after the dark winter season.

With a death toll of more than 250,000 people, the Boxing Day tsunami of 2004 was one of the most devastating disasters of recent history.

Mapping the seabed off the northeast coast of the UK to help find the best site for future offshore wind energy developments.

Silent marine robots that record sounds underwater are allowing researchers at the University of East Anglia to listen to the oceans as never before.

Four days since leaving port, Dr Katsiaryna Pabortsava reaches her destination. She's in the middle of the North Atlantic, thousands of miles from land, and she's looking for microplastics.

The Barents Sea is a wild, dark, stormy old ocean. Who would want to be out there on a ship in January?

Shetland's wild, rugged landscape has long fascinated scientists, but for one British Geological Survey marine geologist, it's the seabed around the islands that have ignited his interest.