Some of Earth’s earliest microbes evolved the ability to use oxygen hundreds of millions of years before it accumulated in ...

Hydrogen reserves in Earth’s core large enough to supply at least nine oceans may influence processes on the surface today.

Investigation into fish deaths on Silver Lake in Manitowoc County began Jan. 26 after fishermen reported not seeing live fish ...

Space startup General Galactic aims to fly a satellite using only water for in-orbit ...

Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...

Since the beginning of January, an unusually long period of easterly winds has caused the average water level in the Baltic ...

We all know that we need things like water and oxygen to live, but what happens when you get too much? Join Hank Green for a ...

Scientists studying ancient ocean fossils found that the Arabian Sea was better oxygenated 16 million years ago, even though ...

A new study suggests the world's oxygen-depleted seas may have a chance of returning to higher oxygen concentrations in the ...

Blue holes are among the least understood features of the ocean floor. From the surface, they can appear ordinary, even calm, ...

At the edge of Antarctica’s Taylor Glacier, a bright red stream pours out onto stark white ice, looking uncannily like blood. Known as Blood Falls, this phenomenon has unsettled explorers and puzzled ...

A new study suggests that some of the world’s oxygen-deprived oceans could eventually regain higher oxygen levels in the ...