A UK study finds that the most feared predators in the sea have individual personalities, which determine how readily they socialise.

As many as 100 people in Texas are being checked for exposure to Ebola after a man was diagnosed in Dallas with the disease, health officials say.

A shipwreck recently found in north Canada is identified as HMS Erebus - lost in Sir John Franklin's famous Victorian-era Northwest Passage voyage.

A fleet of marine robots is being launched in the largest deployment of its kind in British waters.

New satellite data reveals thousands of previously unrecognised mountains on the bottom of the world's oceans.