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Off the north coast of Corsica, strange circular forms on the seabed were discovered in 2011. But what are they?

A bitter sea battle is ongoing between China and its neighbours over access to the South China Sea.

In April 2026 reporter Edward Kaprov spent two weeks living amongst the last remaining residents of Kherson, a city on the frontline.

A young sailor joins a doomed ship crewed by drifters and uncovers a dark secret in its hold.

On board the FS Meteor a team of German researchers spend five weeks at sea studying the unknown depths of the Atllantic Ocean.