Blue, jellyfish-like creatures called Velella velella have been washing up along California’s coast recently, captivating Bay ...

Analysis of the sediment in Belize’s Great Blue Hole shows a concerning trend. Blue holes, the name for collapsed limestone ...

Coastal ecosystems’ carbon-storing power is a double-edged sword but if protected and restored, they could be a vital tool in ...

Earth's oceans may have displayed a very different color several billion years ago. This hypothesis emerges from a recent ...

The earliest lifeforms, cyanobacteria, appeared around 4 billion years ago. These organisms, now known as algae, were among ...

Ancient oceans, which were heavy on iron, interacted differently with light wavelengths, retracting green light into the ...

But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...