Water

Drinkability: Low. The largest and most distant source of water in the universe was discovered in 2011. To get to this point, we brought 1000 times the amount of water found in all of Earth’s oceans....

Drinkability: Low.   What is a maser? Well, it’s just like a laser, but with an “m”. Really, though. M.A.S.E.R. stands for Microwave Amplification by Stimulated Emission of Radiation. It...

Drinkability: High Or so we hope. Planets around other stars in our Milky Way are known as exoplanets and are as exciting and diverse as our fellow humans. From Jupiter-sized planets so close to their host...

Drinkability: Medium.   As early as the 1600s, observers suspected that the white blotches that cover Mars’ poles and the wispy patches which drift across its surface were signs of water. Those...

Drinkability: Highest.   There are two main theories as to how water first appeared on Earth.       The first posits that Earth’s water didn’t start here, but...

Drinkability: Lowest.   Water is composed from two hydrogen and one oxygen molecule (hence the chemical and colloquial name, H2O). Some of these constituent components are as old as the universe...