Shell signed a contract with Bulgaria's government on Tuesday (April 15) giving the oil and gas multinational major rights to ...

Remote-controlled cameras offer a first-time glimpse of numerous wrecks entombed in the icy depths off the coast of Bulgaria ... probing the depths of the Black Sea last year, a team of scientists ...

Shell (NYSE:SHEL) has signed a contract with Bulgaria's government for the rights to explore for oil and gas in the Black Sea ...