Ocean

Due to a number of technical and logistical difficulties, as well as meandering through sparsely populated areas, there is no pressing need to build a bridge on the Amazon River.

The holes form a straight line and appear at regularly repeating distances, and they are surrounded by tiny mounds of sediment.

The Red Sea takes its name from periodic blooms of a blue-green algae called Trichodesmium erythraeum, which turn the normally vivid blue waters a reddish-brown.

More than 70% of our little blue planet is covered by water, but we can only drink a tiny fraction of it. Why can't we drink saltwater when it is all around us?

A seashell held to your ear may sound like the ocean, but so does cupping your hand or holding a bowl at the same spot. Here's why.

Scientists recently discovered rare brine pools — dense, salty depressions — at the bottom of the Red Sea, where microbes thrive under extreme conditions.

RNA viruses may influence the flow of carbon through the ocean.

Researchers have discovered that 4,500-year-old seagrass meadows in Shark Bay, Western Australia, are actually the world's largest clone.

More than 5,000 new virus species have been identified in the world's oceans, according to a new study.