A search is underway in the Mediterranean Sea after a Viking Star crew member went overboard during a cruise on Monday. (Credit: Andrew Fone)

The amount of oil sailing the world’s oceans surged to a fresh record, a sign of how supplies are continuing to mount despite the price gains that followed sanctions on some of Russia’s biggest oil companies.

The cruise line’s Norwegian Epic vessel responded to a search and rescue operation in coordination with Greek authorities.

Ukraine's state security service has unveiled an upgraded sea drone it says can now operate anywhere in the Black Sea, carry heavier weapons and use artificial intelligence for targeting. Ukraine has used the unmanned naval drones to target Russian shipping and infrastructure in the Black Sea.

A cache of Byzantine-era gold coins and pearl-inlaid earrings dating back over 1,500 years was unearthed by archaeologists at the ancient city of Hippos in Israel.

Officials have cleared the name of a man after originally offering a $20,000 reward for information leading to his arrest. The arrest was connected with a disturbing allegation at a popular sea lion hotspot in Pacific Grove, California — a case some online were calling "unbelievable."

Thousands of sea cucumbers have washed up on the beach in the Oregon coastal town of Seaside thanks to a combination of heavy surf and low tide.