Nope, it's not your imagination! The ocean is actually getting greener, according to scientists, and we found out why.

By mixing up these ocean layers—which are normally very stable in the Antarctic summer—the ocean's temperature, its salinity and the amount of nutrients are all changed. This ultimately ...

According to Nasa, there are several ways in which heat makes its way into the ocean, resulting in the thermal expansion of water. Normally, seawater arranges itself into layers determined by ...