Fahreinheit is based on Earth's range of temperatures where the median falls at zero degrees.
Pingos are icy mounds that grow upwards from permafrost under the soil.
The ocean generates its own magnetic field, which peaks everty 12.5 hours along with the rising tides.
Sea currents create electric currents through a process called motional induction.
Salt clears up an icy sidewalk by lowering the freezing point of water.
Dehydration can be deadly; the amount of water you need to stay healthy depends on a variety of factors.
When dehydrated, the body makes it difficult to eat in order to conserve water.
Scientists are engineering a method for turning solar energy into fuel.
The light in Earth's atmosphere may reflect signs of extraterrestrial life.
Data from the Rosetta mission, the Mars rover and the Herschel space observatory point to water's extraterrestrial origins.