The ISS uses filtration, distillation and catalytic reactors to purify wastewater into safe drinking water for astronauts.

For most of meteorology’s history, wind has been the atmosphere’s most uncooperative variable. Temperature reads cleanly off ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes their ice to sublimate, flashing directly from a solid into a gas, which ...

The internet is a bottomless pit information — whatever random thought pops into your head, there’s probably a fascinating detail about it floating around somewhere. But here’s the caveat: some of the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Experts share tips for staying hydrated during intense workouts, and offer a verdict on whether electrolyte drinks are worth ...

Why is it that when it's raining, the relative humidity isn't 100%?

Researchers at KRISS observed water’s rapid freeze–melt cycles under ultrahigh pressure and discovered Ice XXI, the first new ice phase found in decades. Using advanced high-pressure tech and ...

When people consider what causes high blood pressure, they often think of lifestyle factors, such as eating salty foods, lack of exercise or smoking. However, an unexpected source of salt might also ...

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Earth’s gravitational force, g, has been known for centuries. But the exact value of G, the universal gravitational constant, ...

Credit: POSTECH University, South Korea Scientists uncovered a hidden state in water that explains its bizarre behavior. Researchers at Stockholm University have used advanced X-ray laser technology ...