Have you ever seen a blue sea creature like this one? The oceans of the world are home to some unusual creatures, and few ...

The sparkling blue waters of the Mediterranean Sea are home to over 700 varieties ... and European tectonic plates and has disappeared under water since it surfaced during the 19th century.

At the current rate of sea-level rise (possibly several ... From a protected cove on Long Island, Dean’s Blue Hole—Earth’s deepest known underwater cave—plunges more than 600 feet into ...