Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river drainage systems. Water is the biosphere's lifeblood, and without it, Earth ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

It is easy to take for granted our continuous freshwater supply. We get up in the morning and use our bathrooms. We have water to clean our dishes, wash our clothes, wipe down dirty countertops, and ...