In Sweden, wreck could be sistership to iconic vessel

A marine archaeologist says one of two shipwrecks found in Stockholm's archipelago could be the sister ship of a famed 17th-century Swedish warship that sank on its maiden voyage.

Subsea science observatory vanishes from German bay

A German research organization is searching, so far in vain, for an underwater environmental monitoring station that was moored on the sea bed and went missing last month.

Monitoring CO2 leakage sites on the ocean floor

Injecting carbon dioxide (CO2) deep below the seabed could be an important strategy for mitigating climate change, according to some experts. However, scientists need a reliable way to monitor such sites for leakage of the ...

Citizen scientists offer ray of hope

Volunteer snorkelers and scuba divers have been helping capture images of reef manta rays to better protect the threatened species.

Sand tiger sharks return to shipwrecks off N.C. coast

Photos taken months, and in some cases years, apart by scuba divers show female sand tiger sharks returning to the same shipwrecks off the North Carolina coast, a new study co-led by scientists at Duke University reveals.

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