Scientists observed and reported how vortex rings, swirling donut-shaped masses, move through water and reach air without ...

Air rings blown by dolphins swimming underwater and rings of smoke emitted by jet engines are just two examples of vortex rings. These doughnut-shaped structures and their mesmerizing movement have ...

MJ Algarra details to PEOPLE her experience swimming in the heart of hundreds of sharks and sea creatures during her dive off ...

Submerged in about 44 yards of water off Scotland’s coast, a turbine has been spinning for more than six years to harness the power of ocean tides for electricity — a durability mark that ...