A new modeling study suggests that salt left behind on sea ice could have made the planet even brighter and colder as global glaciation began.

Sixty-five per cent of the exploratory dives into the deep have taken place within 200 nautical miles of either the US, Japan ...

Underwater earthquakes in Antarctica can trigger massive phytoplankton blooms, linking deep-sea seismic activity to ocean ...

Now, far from the icy seas of Antarctica, what’s left of A23a is being eaten away by warmer waters. It’s in its death throes, not expected to last more than a matter of weeks. All icebergs melt ...

More than 71% of Earth is covered by oceans, but about 95% of them remain unexplored. Only about 20% of the seafloor has been ...

Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago.

For decades, scientists have debated whether Mars once had a large ocean. Images from orbiters have shown valleys, channels ...

Robotic and autonomous underwater vehicles have collected vast quantities of footage from the deep sea, but most of it hasn’t ...

Ancient fossils show how much warming tropical oceans can handle before plankton collapse, offering clues about future ...

The world's oceans are shifting beneath us in ways that researchers say have no real precedent in the modern record. The ...

Leatherback turtles are unusual among reptiles because they are able to keep their bodies warmer than the surrounding ocean water.

Over 70% of Earth's surface is covered by oceans, but most of it remains unexplored. In contrast, we have detailed surface ...