All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical ...

Astronomers may have discovered how water originated in the universe, challenging existing theories on star formation.

Isotope hydrology helps governments find and understand the source of their water supplies – so they can develop management ...

Researchers have found an environmentally safer way to extract the lithium 6 needed to create fuel for nuclear fusion ...

For more than a decade, a robotic explorer has been traveling across Mars, quietly collecting clues about a time when the Red ...

Our lives are surprisingly dependent upon this extremely light and unreactive gas, yet supplies of it are remarkably fragile.

New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the ...

So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

A new study measured water vapor in Greenland's air, collecting data crucial for improving climate models and forecasting Arctic changes.