Earth may have had fresh, not just salty, water as soon as 600 million years after the planet formed — a mere blink of an eye in geologic time. Researchers analyzed oxygen molecules within ...

The global water cycle is off balance for the "first time in human history." Researchers have warned that this lack of balance could lead to a massive water disaster, which could terrorize the ...

BYU's new hydrologic cycle, representing major water pools in blue text, natural water fluxes in black text and human-impacted fluxes in orange. Illustration by Eliza Anderson. The United States ...

(via SciShow) So we all know about the carbon cycle, and the water cycle, and maybe even the nitrogen cycle. But new research has figured out there's a salt cycle, too. Problem is, that same research ...